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Chemistry TUBC
Chemistry TUBC
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Chapter 7 chem
Flashcards
54 cards
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Practice quiz
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Questions
54
Answers
1
Who’s most likely to CALL THE COPS
Skyler
Kristen
Ken
Sam
2
Which of the following is created by chemically uniting two different elements
Compound
Molecule
Atom
Element
3
What is the even dispersion of a solid substance in a liquid base called?
Solvent
Suspension
Saturation
Solution
4
Type of chemistry that deals with all matter that is now living or was alive at one time is?
Organic chemistry
Active chemistry
Biochemistry
Inorganic chemistry
5
What # identifies how many protons are in a single atom of an element on the periodic table
Electron number
Atomic number
Hydrogen number
Chemical number
6
All of the following statements are true about pH scale EXCEPT
Acids have a value on the pH scale from zero to 4
The pH scale describes the degree of acidity or alkalinity
The pH Scale is logarithmic
The pH scale ranges from zero to 14
7
Products packaged under pressure&blended w/ a gas inside a container are called
Gels
Sticks
Ointments
Aerosols
8
How many naturally occurring elements are there
82
92
102
103
9
Matter with definite weight, but indefinite volume and shape are:
Liquids
Solids
Compounds
Gases
10
The smallest particle of a compound that contains all chemical properties of that compound?
Atom
Neutron
Element
Molecule
11
Which ingredient helps increase the density in emulsions and gel-type products?
Thickeners
Preservatives
Surfactants
Chelating agents
12
How old is Mayson according to Ms.Tammy?
22
24
39
19
13
All of the following statements about emollients are true EXCEPT:
They are used to condition and soften the skin
provide a protective barrier called an occlusive barrier
They are found in concentrations ranging between 20% & 30%
help the skin maintain its hydration by sealing moisture
14
Branch of science that deals w/chemicals related 2 life processes&their reactions w/in the body
Inorganic chemistry
Anatomy
Biochemistry
Organic chemistry
15
Whats often used to increase the thickness of cosmetic products&provide moisturizing properties
Humectants
Surfactants
Fatty alcohols
Emollients
16
Which of the following is NOT one of the three major biochemical compound groups in the body?
Carbohydrates
Lipids
Proteins
Acid mantle
17
All of the following statements about carbohydrates are true EXCEPT:
contain a combo of carbon,hydrogen&nitrogen in a chain
They include monosaccharides such as glucose
They are used by the body to store energy
They play a key role in metabolism
18
A simple unit of a carbohydrate is called a
Disaccharide
Polysaccharide
Monosaccharide
Saccharide
19
Which of the following are materials that dissolve&break down large molecules into smaller ones
Lipids
Proteins
Enzymes
Amino acids
20
basic units of matter that cant be broken down into simpler substances by any chemical reaction
Elements
Neutrons
Atoms
Electrons
21
The molecular weight of each element is determined by the
Protons and electrons
Protons and neutrons
Protons
Neutrons and electrons
22
All of the following statements about solutions are true EXCEPT
The solid part is called the solvent
The dissolved part is called solute
Cosmetic products tend to use water as the solvent
Organic substances are not soluble in water
23
Which of the following means the product is less likely to provoke an allergic reaction
Antibacterial
Allergenic
Fragrance
Hypoallergenic
24
How many times does patty sneeze before we say “bless you”?
5
3
2
1
25
If a carboxyl group is located on the 2nd carbon atom of the chain,ingredient is categorized as
Malic acid
Beta hydroxy acid
Poly hydroxy acid
Alpha hydroxy acid
26
Ingredients used in certain types of treatment products to prevent skin inflammation&damage
Hypoallergenics
Antibacterials
Comedogenics
Antioxidants
27
What cosmetic products are anhydrous substances that have thick and heavy texture of a paste
Lotions
Powders
Ointments
Crèmes
28
Which of the following is a process in which a substance gains an electron & oxygen is released
Ionic bonding
Covalent bonding
Oxidation
Reduction
29
Mixture of sebum&sweat combined w/ lipids,minerals&moisture to form a protective barrier
Base
Potential hydrogen
Hydroxide ion
Acid mantle
30
A change in a substance that creates a new substance is called ?
Physical change
Chemical structure
Chemical change
Phase change
31
Of the following state about hydroxy acids,which is NOT true?
Known to help resolve blemishes and discoloration
Extracted from a variety of natural sources
Used to slow down the natural exfoliation process
Used to speed up the natural exfoliation process
32
level of pH will increase the skins permeability&leave it vulnerable to injury by environment?
5
7
8
4
33
What are the basic materials that the body uses to construct and renew itself
Saccharides
Carbohydrates
Proteins
Lipids
34
All of the following are examples of lipids EXCEPT
Fats
Triglycerides
Steroids
Liquids
35
What term identifies a Unit of measurement indicating acidic, neutral or alkaline?
Negative ion
Base
Positive ion
pH
36
Which number on ph scale represent an alkaline PH
5
8
7
0
37
Oils and oil-soluble substances used to condition and soften the skin are called?
Emollients
Humectants
Surfactants
Fatty acids
38
Which of the following have the ability 2 bind a wide range of organic&inorganic matter 2 water
Humectants
Fatty acids
Emollients
Surfactants
39
What is the liquid part of a solution called
Solute
Suspension
Solvent
Saturation point
40
Type of chemistry that deals w/matter that was never living&does not contain carbon is called
Biochemistry
Organic chemistry
Inorganic chemistry
Active chemistry
41
Which of the following statements is NOT true about fragrances?
Fragrances are used to mask undesirable odors in a product
Fragrances aware complex blends of many essential oils
Only a small amount of fragrance is required for its purpose
Fragrance ingredients R usually listed individually on label
42
Which of the following is known as the universal solvent ?
Water
Alcohol
Acid
Salt
43
Ingredients that destroy bacteria and create undesirable effects are?
Comedogenic
Hypoallergenic
Antioxidant
Antibacterial
44
Ingredients that are designed 2 dissolve keratin proteins on the surface of the skin are Called
Lighteners
Coloring agent
Enzymes
Vitamins
45
What’s Paige’s middle name? LOL
Noel
Nicole
Nichole
Noell
46
Thousands of amino acids connected lengthwise are known as a
Peptide chain
Polypeptides chain
Monomer
Polymer
47
All of the following are benefits that may be derived from botanicals EXCEPT:
Drying effects
Conditioning effects
Anti-inflammatory effects
Antibacterial effects
48
Emollients in products are generally found in concentrations ranging between
1% to 2%
2% to 10%
15% to 20%
3% to 5%
49
Molecules that connect with each other to form larger, more complex compounds are known as..
Polymers
Saccharides
Lipids
Monomers
50
Which of the following items contains very few minerals?
Hard water
Hot water
Cold water
Soft water
51
What is the pH of pure distilled water?
0
7
5
14
52
All of the following statements about lighteners are true except:
Used to bleach or lighten areas of hyperpigmentation
They are used at relatively high levels
takes months of continued use to deliver noticeable effects
They slowly block he production of melanin in the skin
53
Which of the following are ingredients that are likely to block or clog the pores?
Comedogenic
Antibacterial
Non-comedogenic
Hypoallergenic
54
Which of the following may contain salts such as calcium and magnesium
Soft water
Moisturizers
Hard water
Glucose