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YBTC Study Guide Questions
What is Vitamin B1?
How do you name alcohols?
YBTC Study Guide Questions
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1
How do you name alcohols?
Replace the ending with -ol
Replace the ending with-nol and change benzene to phenol.
Replace the ending with -ol and change benzene to phenol.
Replace the ending with -nol
2
What is Vitamin B1?
Riboflavin
Thiamine
Leucine
Niacin
3
What sugar testing solution allows for both qualitative and quantitative analysis?
Benedict's Solution
Fehling's Solution
4
What percent of battery acid is water, with the rest of it being sulfuric acid?
80%
40%
66%
50%
5
Why is a seed crystal added into a solution to separate a solution?
A seed crystal decreases the average solubility.
Seed crystals dissolve if a saturated solution is heated.
Seed crystals decrease particle energy in a solution.
The solute needs to crystallize out of the solution.
6
How is a diesel engine ignited, unlike a regular car engine?
Compression.
High temperature.
High concentration of gas.
The spark plug.
7
What ending do you add to amines?
-anamine
-ylamine
-amine
-ine
8
What is NOT special about plastics, unlike other forms of polymerization?
They can be molded.
They can be cast into shapes.
All of them can be remolded.
They can be drawn into fibers.
9
Which of the following is NOT true of lipids?
They play an important role in regulating body functions.
They are insoluble in water.
They play an important role as a conductor in the body.
They reduce the rate of heat transfer to keep the body warm.
10
What separates a mixture based on it's component's differences in density?
Centrifugation & Decantation
Chromatography
Adsorption/Absorption
Solvent Extraction
11
What is the first step of gravimetric analysis?
Measure the entire mass of the sample.
Subtract the mass of the sample by the inital sample.
Measure the mass of a component in the mixture.
Use a separation to remove a component from the sample.
12
What is the chemical formula for chitin?
C8H13O5N
C6H14O4N2
C7H14O6N
C8H14O6N
13
What percentage of sulfur is found in the rubber used for rubber bands?
50%
2%
5%
25%
14
What does NOT cause a solute to crystallize out of the solution?
A flat surface
A seed crystal
A cooled supersaturated solution.
A jagged surface
15
What functional group has an oxygen double bonded to a carbon, bonded to hydrogen and "R"
Ester
Aldehyde
Ketone
Carboxylic Acid
16
Who proposed that heat was based on the motion of molecules?
Antoine Lavoiser
William Thomson
Karl Scheele
Joseph Priestly
17
What is the formula for percent composition by mass?
Mass of solute divided by mass of solvent.
Mass of solute divided by mass of solution.
Mass of solvent divided by mass of solute.
Mass of solvent divided by mass of solution.
18
What is the most unstable solution?
A supersaturated solution
A diluted solution
A regular solution
A saturated solution
19
Which type of polymerization involves adding monomers to a long chain one at a time?
Condensation
Subtraction
Sublimation
Addition
20
Which element is NOT found in coal?
Boron
Nitrogen
Oxygen
Sulfur
21
Specific heat measures how much heat is required to raise a ______of a substance by a_________.
gram, degree Celcius
gram, degree Farenheit
ounce, degree Fahrenheit
ounce, degree Celcius
22
Which type of polymerization is called step polymerization?
Condensation
Sublimation
Addition
Subtraction
23
What pharmaceutical provides relief of pain without the loss of consciousness?
Adrenocorticosteroids
Antibiotics
Analgelsics
Antitussive medicines
24
What does spectroscopy NOT determine?
How atoms emit and absorb energy in the form of light.
How much of each element is in a substance.
The molecular structure of a particle.
The chemical composition of a substance.
25
What is a structural isomer?
Different compounds with the same empirical formula.
Different compounds with the same elements.
Different compounds with the same chemical formula.
Different compounds with the same base structure.
26
What elements make up bronze?
Copper, Tin
Copper, Zinc
Cobalt, Zinc
Copper, Cobalt
27
Which type of polymerization formed kevlar, which is used for military helmets?
Subtraction
Addition
Condensation
Sublimation
28
How does temperature affect saturation in a liquid solution?
It dilutes the solution as it decreases.
It dilutes the solution as it increases.
It does not affect the solution at all.
29
How do you name carboxylic acids?
End with -ic and add "acid".
End with -ic.
End with -oic.
End with -oic and add "acid".
30
How does temperature affect saturation in a gaseous solution?
It dilutes the solution as it increases.
It dilutes the solution as it decreases.
It does not affect the solution at all.
31
Which of the following is not a fermentation process?
Growing bread
Baking bread
Making cheese and yogurt
Making beer and wine
32
What is the chemical formula for piperine, a main ingredient in black pepper?
C17H19NO3
C12H17NO3
C15H20NO3
C14H18NO3
33
What is NOT a part of Fehling's Solution B?
Potassium Sodium Tartrate
Sodium Citrate
Sodium Hydroxide
34
What percentage of sulfur is found in the rubber used for a hard synthetic plastic?
5%
2%
25%
50%
35
What color does a strontium metal ion show under a flame test?
Green
Yellow
Blue
Red
36
C12H22O11 is the chemical formula for what compound?
Grain Alcohal
Table Sugar (Sucrose)
Baking Soda
Carbonized/Seltzer Water
37
What are the denser particles in a mixture called during decantation?
Solvent
Solute
Barrier Substance
Sediment
38
Which type of polymerization forms nylon-6,6 which is user in nearly all synthetic polymers?
Sublimation
Addition
Condensation
Subtraction
39
What is something that should not be done in titration?
A titrant should be added until a color change.
The titrant must react well with the solute in the solution.
A titrant must be added in small amounts.
A titrant should be added after a color change.
40
What causes the mobile phase to separate?
The components move over it at different speeds.
The components have elements that react differently.
The components' molecular structures have different shapes.
The components' molecular structures have different sizes.
41
What do you replace the ending with when naming ketones?
-anone
-aneone
-one
-alnone
42
How many milligrams of theobromine are found in an ounce of pure dry cacao powder?
800
2000
600
1200
43
Plants store food in what?
Starch
Glycogen
Glucose
Cellulose
44
What can be calculated after titration?
The concentration of the old solution.
All of the above.
The volume of the titrant that is added.
The volume of the new solution.
45
When must you stop adding a titrant to a solution with a known volume & unknown concentration?
When the solution becomes saturated.
When the solution becomes diluted.
When a chemical reaction or color change occurs.
When the solution becomes supersaturated.
46
What type of plastics can be remolded?
Thermosets
Thermoplastics
47
Why are we able to ingest garlic without feeling burning sensations?
Sulfur-based compounds in garlic contain neutralizers.
Allicin is probiotic and bacteria break down poisons for us.
Sulfur compounds react with water and the products are safe.
Allicin is unstable and changes into other compounds.
48
What is a crystal?
Gas particles arranged in a repeating pattern.
Solid particles arranged in a repeating pattern.
Liquid particles arranged in a repeating pattern.
Plasma particles arranged in a repeating pattern.
49
What color in the spectrum has a wavelength of about 700 nanometers?
Red
Indigo
Purple
Orange
50
What is true when comparing artificial sweeteners and regular sugars?
Artificial sugars have less sweetness per gram.
Artificial sugars have less calories per gram.
Artificial sugars have more calories per gram.
Artificial sugars and regular sugars have no differences.
51
What do polar solvents dissolve?
Polar solutes
Nonpolar solutes
Polar solvents
Nonpolar solvents
52
Which element did Karl Scheele NOT discover?
Antimony
Mangenese
Chlorine
Barium
53
How many Scoville Heat Units does pepper spray measure?
800,000
5,000,000
200,000,000
40,000,000
54
What metal ion turns green during a flame test?
Cobalt
Sodium
Iron
Boron
55
Which form of starch is there are branched chains?
Amylopectin
Amylose
56
Which of the following hydrocarbon chains are least likely to be formed into gasoline?
C7H16
C8H18
C5H12
C6H14
57
How many thermal calories make up a food calorie? (kilocalorie)
0.001
1000
0.01
100
58
If human blood was separated by centrifugation, what would be on the bottom?
Plasma
White Blood Cells
Platelets
Red Blood Cells
59
What prevents more solvent from flowing through the membrane?
A buildup of pressure.
A buildup of temperature.
A buildup of potential energy.
A buildup of kinetic energy.
60
What metal ion turns blue during a flame test?
Copper
Boron
Cobalt
Iron
61
What is used to observe the structure and function of the human body?
Magnetic Resonance Imaging
Nuclear Magnetic Resonance
62
In titration, what holds the solution with a known volume & unknown concentration?
A beaker
A Florence flask
An Erlenmeyer flask
A volumetric flask
63
What is the most common way a supersaturated solution is formed?
Heating a saturated solution.
Cooling a saturated solution.
Adding a little solute to a saturated solution.
Adding a lot of solute to a regular or diluted solution.
64
What do nonpolar solvents dissolve?
Nonpolar solvents
Polar solutes
Nonpolar solutes
Polar solvents
65
Which electromagnetic wave is the biggest?
UVA
UVB
UVD
UVC
66
What flavors food due to chemical reactions with taste receptors on the tongue?
Caffeine
Pepper
Salt
Sugar
67
What is the boiling point of salt?
1250 degrees Celcius
1000 degrees Celcius
1400 degrees Celcius
1550 degrees Celcius
68
What is combustion?
An endothermic propogation reaction
An exothermic redox reaction
An endothermic redox reaction
An exothermic propogation reaction
69
Which type of plastics include acrylics, which strongly withstand weather and change?
Thermosets
Thermoplastics
70
When was the mass spectrometer invented?
1919
1926
1932
1904
71
True or False? The mole applies to elements, compounds, and even much larger substances.
False
True
72
What is Fehling's Solution A?
Pottasium Sodium Tartrate
Sodium Hydroxide
Sodium Carbonate
Aqueous Copper Sulfate
73
How do you name ethers?
Add ether to the end;name both chains; make the endings -yl.
Name both chains; make the endings -yl.
Add ether to the end;make the endings -yl.
Name the longest chain; make the ending -yl;
74
What is NOT a part of Benedict's Solution?
Sodium Carbonate
Copper Sulfate
Sodium Hydroxide
Sodium Citrate
75
Which of the following is NOT a protein?
Insulin
Cholesteral
Hemoglobin
Amino Acids
76
If human blood was seperated by centrifugation, what end up on the top layer?
Red Blood Cells
Platelets
White Blood Cells
Plasma
77
What is the transfer of energy via electromagnetic waves?
Convection
Conduction
Radiation
78
If you are naming an amide with a ring structure, what is the ending?
N- -cycloanamide
-cycloanamide
N- -carboxamide
-carboxamide
79
What is gravimetric analysis used to determine?
Concentration
Mass
Volume
PH/POH
80
How do you name esters?
Chain 1: End in -yl. Chain 2: End in -oate
Chain 1: End in -ayl. Chain 2: End in -ate
Chain 1: End in -ayl. Chain 2: End in -oate
Chain 1: End in -yl. Chain 2: End in -ate
81
What is the fourth step of gravimetric analysis?
Subtract the mass of the sample by the inital sample.
Measure the mass of the seperated component in the sample.
Use a separation to remove a component from the sample.
Measure the entire mass of the sample.
82
What has carbon double bonded to an oxygen, and single bonded with a hydroxide ion and an "R"?
Aldehyde
Ketone
Carboxylic Acid
Ester
83
The enzymes that catalyze reactions breaking down sugars tend to end in what suffix?
-ise
-ese
-ose
-ase
84
What is the formula for the molarity of a solution?
Moles of solute divided by liters of solvent.
Moles of solute divided by liters of solution.
Moles of solvent divided by liters of solution.
Moles of solvent divided by liters of solute.
85
Which of the following is an organic compound?
Esters
Carbonates and Carbides
Cyanides
Carbon Dioxide
86
In what year did scientists begin using Carbon-12 to measure atomic mass?
1950
1961
1944
1934
87
Which type of polymers are formed within living organisms?
Biopolymers
Biodegradable plastics
88
Which of the following is not a triglyceride?
Butter
Oils
Fats
Bile
89
When naming amides, if R2 is a hydrogen, what is the ending?
-ylamide
-amide
-anamide
-ylanamide
90
How many heat calories make up a British Thermal Unit?
12
100
252
1432
91
Which of the following is not a biopolymer?
Proteins
Starch
Cellulose
Bases
92
What will help the most if you eat something very spicy?
Oil, because it is non-polar, and will dissolve the capsacin
Yogurt, because the fat dissolves the capsaicin
Hydrochloric acid, because the acid neutralizes the capsacin
Water, because it washes away the capsaicins
93
Which of the following does NOT have the same chemical formula?
Galactose
Fructose
Glucose
Ribose
94
What is the electrode called in the half-cell where the oxidation reaction takes place?
A cathode
An anode
95
What states that for equal gases at the STP, they will have the same # of molecules?
Avogadro's Law
Lawrence's Law
Bohr's Law
Dalton's Law
96
How many Scoville Heat Units does pure capsacin measure?
3,000,000
400,000
16,000,000
100,000,000
97
What is made up of two molecules of glucose and formed from the digestion of starch?
Sucrose
Lactose
Ribose
Maltose
98
What is quantitative analysis usually used for?
Determining the ratio of an element & another in a substance
Determining the average atomic mass of the substance.
Determining the concentration of a substance.
Determining the amount of an element in a substance.
99
Which of the following is NOT a type of spectroscopy used in a lab?
Raman Spectroscopy
X-ray Spectroscopy
NMR (Nuclear Magnetic Resonance)
UV/VIS (Ultraviolet/Visible)
100
Animals store food in what?
Starch
Cellulose
Glucose
Glycogen
101
What functional group is a ketone with an oxygen atom between R1 and the central carbon atom?
Ester
Aldehyde
Carboxylic Acid
Ether
102
How did Dorothy Hodgkin determine the structures of penicillin, vitamin B12, and insulin?
Spectroscopy
X-ray crystallography
Titration
Solvent Extraction
103
What causes more solvent to flow into the side containing the solution with osmotic pressure?
A membrane lets a solute in, but not a solvent.
A membrane lets a solute and solvent in.
A membrane does not let a solute or solvent in.
A membrane lets a solvent in, but not a solute.
104
When naming aldehydes which are ring structures, what do you add to the ending?
-carbaldehyde
-carbalhyde
-aldehyde
-carbhyde
105
What functional group has "R" connected to a hydroxide ion?
Ester
Alcohal
Ether
Carboxylic Acid
106
Who distinguished heat transfer via radiation from conduction and convection?
Antoine Lavoisher
William Thomson
Karl Scheele
Ernest Rutherford
107
What typically follows centrifugation?
Distillation
Chromatography
Decantation
Solvent Extraction
108
What is the chemical formula for capsaicins, which add heat to red peppers?
C15H30NO3
C18H24NO3
C18H27NO3
C15H21NO3
109
Which solvent and solute combination would not dissolve within each other?
Oil and Water
Hydrocarbons and Benzene
Ammonia and Water
Parrafin Wax and Coke
110
What is the purified substance known as in distillation?
The Receiving Flask
The Distillate
The Pure Vapor
The Condensor
111
What is boiling point elevation?
Solutions boiling at a higher point than the pure solute.
Solutions boiling at a higher point than the pure solvent.
Solutions boiling at a lower point than the pure solute.
Solutions boiling at a higher point than the pure solvent.
112
How many milligrams of theobromine are found in an ounce of dark chocolate?
10-20
150-160
40-60
200-220
113
How much of vinegar is acetic acid?
10%
1%
20%
4%
114
How do microwave ovens heat food?
They cause a light to vibrate and heat the food.
They cause the food to vibrate and conduct.
They cause water molecules to rotate.
The radiation is warm and heats the food.
115
What happens in both half-cells in an electrochemical cell?
An oxidation reaction and a reduction reaction occurs.
An oxidation reaction occurs.
A reduction reaction occurs.
There is an conductor placed in an ion containing solution.
116
What's added to the starting solution to see if there's a reaction in acid-base titration?
The acid
The base
The neutral substance
The indicator
117
What are chemical processes that produce energy called?
Cellular Respiration
Metabolism
Photosynthesis
Fermentation
118
What relieves pain, fever, and inflammations?
Muriatic Acid
Salicyclic acid
Nitric Acid
Calcium Chloride
119
Which of the following bases is not found in RNA, and is replaced with Uracil?
Thymine
Guanine
Cytosine
Adenine
120
What functional group contains an oxygen atom between two "R" groups?
Ester
Carboxylic Acid
Ether
Amide
121
What is NOT used during centrifugation?
A centrifuge
A pipette
A Bunsen burner
A test tube
122
How are crystalline solids separated from a solution?
The crystalline solid must vaporize.
The solute must vaporize.
The seed crystal must vaporize.
The solvent must vaporize.
123
How does the mass spectrometer measure the relative atomic mass of any element?
It separates the protons and neutrons within the nucleus.
It separates the ions.
It separates different isotopes of the elements.
It separates the electron orbitals from the nucleus.
124
What substances work best when used in a flame test?
Liquids and Gases
Metal ions
Pure Metals
Sediment
125
How do you compare the boiling point of hydrocarbons with the boiling point of water?
The boiling point of water is lower.
The boiling point of water is higher.
They change a lot (are unstable), and are not measurable.
They are the same.
126
For what is centrifugation least likely to be used for?
Cellular/ Molecular Biology
Removing a solid or precipitate suspended in a liquid
Thermochemistry
Biochemistry and Medicine
127
What type of polymerization often yields a byproduct?
Additon
Condensation
Sublimation
Subtraction
128
What enzyme breaks starch down into individual glucose units in the digestive tract of mammals?
Sucrose
Maltose
Amylase
Amylopectase
129
If benzene is the "R" in an aldehyde what do you add to the ending?
-benzaldehyde
-carbal
-aldehyde
-carbalhyde
130
What is the general formula for a sugar?
CnH3Om
CnH2Om
CnHOm
CnH4Om
131
What does the condenser do in distillation?
It collects the pure substance.
It heats up the starting solution.
It cools the pure vapor.
It contains the starting solution.
132
Which spectral lines should show more colors for any element or compound?
Absorption Spectral Lines
Emission Spectral Lines
133
Who invented the mass spectrometer?
Francis Aston
Karl Scheele
Alfred Nobel
Ernest O Lawrence
134
What differences between mixtures allow chromatography to work?
Solubility
Density
Boiling Point
The composition of the particles
135
What pharmaceutical kills and prevents the growth of both harmful and helpful bacteria?
Anti-ulcer medicines
Antihistimines
Antibiotics
Vaccines
136
What pharmaceutical treats allergic reactions?
Adrenocorticosteroids
Antihistimines
Antitussive medicines
Anti-hypertensives
137
What is NOT true of caffeine?
It stimulates the central respiratory system and heart rate.
It stimulates the muscular system.
When purified, it is an intensely white, bitter powder.
It stimulates the central nervous system.
138
What is H
3
C-CH
3
with an oxygen double bonded to a carbon in between them called?
Acetol
Acetal
Acetone
Acetate
139
Which of the following does NOT allow solvent extraction to work?
The solute must be more soluble in the new added solvent.
The solution must be aqueous.
The two solvents form separate layers within the solution.
Impurities within the original solvent must exist.
140
What is the combination for a steroid?
5,5,5,5
6,6,6,5
6,6,6,6
5,5,5,6
141
What is iodine NOT used in or used for?
Maintaining normal thyroid function.
Disinfecting cuts or wounds.
Being added to table salt .(iodized salt)
Regulating the water levels in the human body.
142
During adsorption, what is created by the contaminants (the adsorbate) around the adsorbent?
A basic solute.
An acidic solute.
A thick layer or film.
A salt.
143
What color does iodine turn if it detects starch?
Light blue or green
Black or dark blue
Yellow or orange
Purple or dark blue
144
What is solvent extraction least commonly used for?
Removing chemicals from soil.
Separating insoluble coffee grounds in a coffee machine.
Recovering vegetable oil from an oil-seed.
Separating poisonous chemicals in pharmaceuticals.
145
Which hydrocarbon is least likely to be used as diesel fuel?
C17H38
C16H34
C14H30
C15H32
146
What do you add to the ending of an aldehyde when naming simple chains?
-dehyde
-del
-al
-hyde
147
Where will you least likely find chromatography being used in?
Biochemistry
Pharmaceutical Science
Forensic Science
Kinetic Chemistry and Energy
148
What elements make up steel?
Iron, Carbon
Iron, Oxygen
Nickel, Oxygen
Nickel, Carbon
149
What is used in gravimetric analysis to separate a solid sample in order for it to be weighed?
Chromatography
Solvent Extraction
Precipitation
Distillation
150
Which type of plastics include GRPs, or glass reinforced plastics?
Thermosets
Thermoplastics
151
Which alkane can take the most compression before igniting?
Heptane
Octane
Hexane
Pentane
152
What is the chemical formula for sulfuric acid?
H2SO2
H2SO4
H2SO
H2SO3
153
What is true of a separation process?
It uses physical means only to separate a mixture.
It separates a mixture based on it's component's properties.
It can separate alloys based on it's component's properties.
It uses chemical means only to separate a mixture.
154
What is the boiling point of ethanol?
92.4 degrees Celcius
37.6 degrees Celcius
78.4 degrees Celcius
56.7 degrees Celcius
155
Which of the following has a higher boiling point?
Diesel Fuel
Bitumen
Jet Fuel
Kerosine
156
What property does solvent extraction use to separate a solution?
Concentration
The composition of the particles within the solution
Boiling Point
Solubility
157
What is not a function of the B vitamins?
Enhancing the function of the nervous system.
Promoting bone tissue growth.
Enhancing the function of the immune system.
Promoting cell growth.
158
What does NOT increase as you move down the fractional distillation column?
Concentration
Density
All of the above
Boiling Point
159
Which usually takes longer?
Decantation
Filtration
160
How many Scoville Heat Units does jalapenos measure?
800
600,000
75,000
5,000
161
How many milligrams of theobromine are found in an ounce of milk chocolate?
150-160
10-20
220-300
40-60
162
What is soluble in fats and water and is essential for the growth and development of the body?
Proteins
Vitamins
Sugars
Nucleic Acids
163
How many Scoville Heat Units does habaneros measure?
1,000,000
5,000,000
300,000
70,000
164
What is the electrode called in the half-cell where the redution reaction takes place?
A cathode
An anode
165
What happens when you mix two solutions of the same substance with different concentrations?
The concentration of the new solution is the average.
The concentration of the new solution is the product.
The concentration of the new solution is the sum.
The concentration of the new solution is the difference.
166
Which of the following is not an elemental form of carbon?
Diamond
Graphite
Coal
Amorphous Carbon
167
What do you do first after adding a seed crystal, or solute, into a supersaturated solution?
Cool the solution.
Heat the solution.
Use a solid-liquid separation method.
Wait for the crystal to grow.
168
What causes a supersaturated solution to become unstable?
An increase in pressure.
A decrease in solubility
An increase in temperature.
An increase in solubility
169
What is charcoal during adsorption?
The adsorbate
The adsorbant
170
Which of the following describes both heating capacity and cooling capacity?
Kilocalorie
Calorie
PSI
British Thermal Unit
171
Which of the following has a lower boiling point?
Lubricating Oils
Liquified Petroleum Gas
Waxes & Polishes
Gasoline
172
Is a sponge taking in water is an example of absorption or adsorption?
Adsorption
Absorption
173
How does temperature affect solubility?
Solubility decreases as it increases.
Solubility increases as it increases.
Solubility is not affected.
174
What percentage of sulfur is found in the rubber used for tires?
50%
25%
2%
5%
175
What sepearates mixtures based on differences in their boiling points?
Centriguation
Solvent Extraction
Chromatography
Distillation
176
Which ignites the fastest?
Fuels with more cetane.
Fuels with less cetane.
177
Which of the following is an example of natural cellulose?
Trees
Cotton
Tea Leaves
Tobacco
178
What is the measure of maximum force a material can withstand before breaking entirely?
Tensile Strength
Elasticitity
179
What percentage of diesel fuels usually contain cetane?
45%
15%
30%
60%
180
How does pressure affect solubility?
Solubility is not affected by pressure at all.
Solubility is affected so little that it does not matter.
Solubility decreases as it increases.
Solubility increases as it increases.
181
In titration, what is added to a solution with a known volume and unknown concentration?
The titrant is added and the volume of it is measured.
A titrant is added after a chemical reaction occurs.
A known volume of an indicator and a solute is added.
A solution with an known concentration and a known volume.
182
What is the transfer of energy by the bulk molecular motion of a gas, solid, or liquid?
Radiation
Convection
Conduction
183
How many hydrogen atoms are there in an alkene?
2C
2C - 2
2C + 2
2C + 4
184
What would scientists least likely use crystallization for?
Producing pharmaceuticals.
Removing salts from solutions.
Purifying amorphous solids so it won't have other things.
Purifying a crystalline solid so it won't have other things.
185
Analytical Chemistry focuses on what?
Analyzing chemical compounds.
Understanding the chemical makeup of matter.
Determining how to separate mixtures and solutions.
Understanding the elements on the Periodic Table.
186
What is a process for growing microorganisms on a sugar-based medium?
Cellular Respiration
Fermentation
Photosynthesis
Combustion
187
What is NOT true about an electrolyte in an electrochemical cell?
It either takes in or gives up electrons.
It easily forms ions in a solution.
It promotes reactions starting in each half-cell.
It can carry an electric current via ions in a solution.
188
What is the starting solution in acid-base titration?
The indicator
The acid
The base
The neutral substance
189
What elements make up brass?
Cobalt, Zinc
Copper, Zinc
Copper, Tin
Copper, Cobalt
190
Which type of plastics include strong cross-linked bonds, creating a stable structure?
Thermosets
Thermoplastics
191
What is the chemical formula for caffeine?
C8H12N4O2
C7H13N5O2
C4H6N3O2
C8H10N4O2
192
Which type of polymerization is used to create polyethylene and polypropylene?
Subtraction
Addition
Sublimation
Condensation
193
What changes when naming a halocarbon?
Add the prefix of the halogen before the name.
Add the suffix of the halogen before the name.
Add the prefix of the halogen at the end of the name.
Add the suffix of the halogen after the name.
194
Which of the following does not decreases the solubility of a solution?
Adding a common ion, or changing the PH of the solution.
Initiating a chemical reaction.
Decreasing the temperature of a solution.
Decreasing the pressure of a solution.
195
What is used to add the titrant into the solution with a known volume & unknown concentration?
An Erlenmeyer flask
A volumetric flask
A pipette
A buret
196
What elements make up white gold?
Gold, Copper, Titanium
Gold, Cobalt, Strontonium
Gold, Nickel, Palladium
Gold, Silver, Strontonium
197
What is an electrode's function in both half-cells in an electrochemical cell?
A conductor that passes electricity in a circuit.
A cathode that takes in electrons.
An anode that gives up electrons.
An insulator stopping electrons from flowing in bad places.
198
What is the chemical formula for allicin, a sulfur-based compound in uncooked garlic?
C6H8OS2
C6H10OS2
C5H11OS2
C5H9OS2
199
What is NOT true of caffeine?
It gives coffee a bitter flavor.
When purified, it is an intensely dark, bitter powder.
It acts as a natural pesticide and kills insects.
It increases the urine production of humans.
200
What is used in filtration, but not decantation?
Sediments
A Solute
A Solvent
A Barrier Substance
201
What is true about spectroscopy?
It is used to determine how much of an element there is.
Elements have spectral lines across the entire spectrum.
It allows for qualitative and quantitative analysis.
It can determine the solubility of an acid or base.
202
Who discovered vulcanization with serendipity in 1839?
Antoine Lavoisher
John Dalton
Karl Scheele
Charles Goodyear
203
What is freezing point depression?
Solutions freezing at a lower point than the pure solvent.
Solutions freezing at a lower point than the pure solute.
Solutions freezing at a higher point than the pure solvent.
The pure solvent freezing at a lower point than the solution
204
What makes up a trigylceride?
3 glycerols and a fatty acid.
3 glycerols and 3 fatty acids.
3 fatty acids and a glycerol.
A glycerol and a fatty acid.
205
What does Qualitative Analysis determine?
How much of a substance there is in a sample.
How many substances there are in a sample.
What substances are in a sample.
Whether or not a substance exists in a sample.
206
What does the octane rating NOT tell us?
What percentage of gas is octane and not heptane.
How much cetane is contained in the fuel.
How much fuel can be compressed before igniting on its own.
How much the engine can be damaged using that fuel.
207
Why does spectroscopy work?
Each element and molecule absorbs & emits light differently.
Spectral lines change as they move up or down the spectrum.
Light particles are only in the visible spectrum.
Every element and molecule can reflect light particles.
208
What is used to determine the structure of organic compounds?
Magnetic Resonance Imaging
Nuclear Magnetic Resonance
209
Which electromagnetic wave cannot penetrate the atmosphere due to certain gases?
UVA
UVB
UVC
UVD
210
In electroplating, what is the substance to be plate the substance which will be enhanced?
The cathode
The anode
211
What is the transfer of energy by the collisions of nearby atoms?
Radiation
Convection
Conduction
212
Which type of polymers are synthesized from products of living organisms?
Biodegradable plastics
Biopolymers
213
What elements make up pewter?
Technectium, Cadmium, Palladium, Nickel
Iron, Nickel, Tellurium, Molybedium
Tin, Copper, Bismuth, Antimony
Cobalt, Selemnium, Copper, Tin
214
What does Quantitative Analysis determine?
What substances are in a sample.
How much of a substance there is in a sample.
Whether or not a substance exists in a sample.
How many substances there are in a sample.
215
What is the second step of gravimetric analysis?
Subtract the mass of the sample by the inital sample.
Use a separation to remove a component from the sample.
Measure the entire mass of the sample.
Measure the mass of a component in the mixture.
216
What is the main cause of coal being formed?
Temperature
Potential Energy
Kinetic Energy
Pressure
217
What is Vitamin B3?
Thiamine
Niacin
Riboflavin
Leucine
218
How many hydrogen atoms are there in an alkane?
2C - 2
2C + 4
2C + 2
2C
219
Which electromagnetic wave has a wavelength of 200 nanometers minimum?
UVC
UVA
UVB
UVD
220
What type of pharmaceutical suppresses or relieves coughs?
Antitussive medicines
Antihistimines
Anti-hypertensives
Analgelsics
221
What substance do you heat rubber with to make it stronger?
Phosphorous
Iron
Carbon
Sulfur
222
What do scientists use to filter colors produced by different metal ions?
Filter Paper
Filter Films
Filter Glass
Filter Wires
223
What is the chemical formula for ethylene gycol, used in antifreeze?
C2H6O
C2H3O2
C2H4O2
C2H6O2
224
What does a spectrometer do?
It determines how a substance refracts/reflects light.
It determines how a substance absorbs/reflects light.
It determines how a substance emits/refracts light.
It determines how a substance emits/absorbs light.
225
What is formed from glucose and galactose?
Ribose
Lactose
Sucrose
Maltose
226
How many hydrogen atoms are there in an alkyne?
2C + 2
2C + 4
2C - 2
2C
227
Which of the following is the good cholesterol?
RDL
LDL
HDL
SDL
228
If a carbon is bonded to 2 "R"'s on their sides and an oxygen on their top, what is it?
Aldehyde
Carboxylic Acid
Ketone
Ester
229
Which type of polymerization is called chain polymerization?
Subtraction
Sublimation
Condensation
Addition
230
NaHCO3 is the chemical formula for what compound?
Baking Soda
Grain Alcohal
Carbonized/Seltzer Water
Table Sugar (Sucrose)
231
Where is one place amorphous carbon cannot, or will rarely ever be found in?
Soot
Andesite
Charcoal
Coal
232
What is formed from one molecule of glucose and one molecule of fructose?
Sucrose
Lactose
Maltose
Ribose
233
What adsorbate is often used in water purification systems because adsorbants stick to ii?
Alnico
Charcoal
Iron
Brass
234
What is Vitamin B2?
Thiamine
Leucine
Riboflavin
Niacin
235
H2CO3 is the chemical formula for what compound?
Baking Soda
Carbonized/Seltzer Water
Grain Alcohal
Table Sugar (Sucrose)
236
What is the titrant in acid-base titration?
The indicator
The neutral substance
The acid
The base
237
Which functional group is R-NH
2
?
Anamide
Anamine
Amide
Amine
238
What polysaccharide is found within the exoskeleton of crustaceans, spiders, and insects?
Ribose
Deoxyribose
Methionine
Chitin
239
What metal ion turns yellow during a flame test?
Boron
Sodium
Copper
Cobalt
240
Which element did Karl Scheele NOT discover?
Oxygen
Cesium
Tungsten
Molybedium
241
What elements make up alnico?
Aluminum, Nickel, Cobalt, Seleminium
Aluminum, Nickel, Iron, Copper
Aluminum, Nickel, Cobalt, Copper
Aluminum, Nickel, Iron, Cobalt
242
In electroplating, what is the substance to be plated, or enhanced?
The anode
The cathode
243
How much is a mole?
6.02 × 1023
6.02 × 1024
6.02 × 1022
6.02 × 1021
244
Which of the following is not a type of coal?
Diorite
Subituminous/Bituminous
Lignite
Anthracite
245
What functional group is a ketone, with an added NH
2
in between R2 and the central carbon atom?
Anamine
Anamide
Amine
Amide
246
What is the chemical formula for theobromine, a important compound that is found in chocolate?
C5H10N4O2
C7H8N4O2
C4H8N4O2
C4H12N4O2
247
How many carbon atoms are found in an atom of buckminsterfullerene?
50
60
40
30
248
What tends to happen to a supersaturated solution?
Saturation
Solvent Extraction
Precipitation
Dilution
249
What state of matter is the mobile phase usually?
Gas
Liquid
Plasma
Solid
250
What is solid-liquid extraction?
When the first solvent is a solid.
When the solute is a solid.
When the second solvent is a solid.
When a solvent is added to a mixture of solids.
251
In the formula for specific heat, what is specific heat equal to?
Mass divided by (change in degrees times heat absorbed)
Heat absorbed divided by (mass times change in degrees)
Change in degrees divided by (mass times heat absorbed)
(Mass times change in degrees) divided by heat absorbed
252
When naming amides, if R2 is a carbon chain, what are the prefixes and suffixes?
N-
N- -yl
N- -ylamine
-yl
253
What color in the spectrum has a wavelength of about 400 nanometers?
Orange
Red
Indigo
Purple
254
What type of radiation contains Vitamin D3?
UVD
UVB
UVA
UVC
