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Test 12 Chemistry Abeka
triglyceride is a molecule of...?
3.2 KM is equal to
Test 12 Chemistry Abeka
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1
3.2 KM is equal to
3,200 Miles
32 Miles
320 Miles
.3200 Miles
2
triglyceride is a molecule of...?
hydrogen
protein
fat
water
3
If the forward and reverse action of a chemical reaction and preceding at same time than it is?
accelerated
reversed
unbalanced
in equilibrium
4
what is the most abundant element in the universe
helium
argon
hydrogen
oxygen
5
atoms of a particular element are distinguished from other atoms by the amount of what...?
electrons
amino acids
protons
neutrons
6
a mixture containing tiny clumps that remain suspended and of not settle over time is a ...?
mixture
compound
crystal mixture
colloid
7
The formula for phosphorus trichloride is ...
Fe304
OH-
PCl3
H2+
8
a chemical bond characterized by the sharing of one or two electrons are known as...?
covalent
convalent
single
triple
9
What is the compound that contains this functional group..? (photo)
aldehyde
amides
alcohol
amines
10
Individual packets or quanta of lights are called...?
xylem
photons
protons
neutrons
11
what precious metal, more expensive than gold, used as industrial and automotive catalysts...?
gold
silver
platinum
copper
12
The amount of fissionable material at a given density required to sustain a chain reaction is?
critical mass
nuclear fission
atomic mass
gamma rays
13
where are elements with the largest atoms located on the periodic table?
upper right
lower left
middle
upper left
14
Small molecules that join together to make bigger atoms which make plastics and other materials
cells
esters
electrolytes
polymers
15
what group of lipids control bile salts, cholesterol, and vitamin d?
carbohydrates
proteins
steroids
photons
16
if but litmus paper turns rd after being dipped in a solution the Ph must be...?
more than 7
0
less than 7
equal to 7
17
study of chemistry of living things is..?
biochemistry
meteorology
quantum chemistry
oceanography
18
sulfur is extracted from petroleum and natural gas using which process?
hydro ponics
electric heating
claus
fracking
19
Kinetic energy is energy associated to an objects...?
motion
speed
weight
density
20
what is formed when alcohol reacts with a carboxylic acid?
amine
amides
ester
compound alcohol
21
chemical reactions that release heat to their surroundings are
endothermic
exothermic
22
nylon is common named for a group of polymers called
polyamides
polypores
23
helium, argon, and xenon belong to what group of elements...?
alkaline earth metals
noble gasses
precious metals
alkali metals
24
lithium, sodium, potassium are known as...
Alkali Metals
Precious Metals
Alkaline Metals
Noble Gases
25
Which law states," the total entropy of an isolated system can only increase over time"?
4th Law of Thermodynamics
2nd Law of Thermodynamics
1st Law of Thermodynamics
3rd Law of Thermodynamics
26
the concentration of a solution in terms of moles sole per liter of solution is its...?
density
reducibility
normality
molarity
27
What are electors that circulate freely throughout a molecule instead of being bound to an atom
electron
neutron
charged electron
delocalized electron
28
what element is ozone a form of?
carbon
oxygen
argon
helium
29
what is a substance that produces hydroxide ions when dissolved in water?
acid
chemical
electrolyte
base
30
hydrocarbons containing more double bonds have names ending in ....?
-ene
-acid
-ic
-ane
31
what semiconductor is commonly used to make computer chips?
platinum
silicon
copper
argon
32
a list of metals arranged by their relative ease of oxidation is......
television series
activity series
oxidation series
electric series
33
whose functional group is this.....?
aldehyde
amines
esters
alcohols
34
the shorter the half-life of a radioactive substance the ________ its activity
stronger
no change
weaker
35
what kind of nuclear radiation consists of high speed electrons...?
beta radiation
alpha radiation
gamma radiation
controlled radiation
36
the process of oxidation occurs at the
front
anode
end
cathode
37
protein molecules consist of long chains of smaller molecules called....?
neutrons
protons
amino acids
cells
38
a nuclear reaction in which a single large nucleus splits into two smaller nuclei is...?
nuclear radiation
nuclear fission
nuclear fusion
nuclear discharge
39
"the position and momentum of small particles such as electrons cannot be measured simultaneous
3rd law of thermodynamics
claus effect
uncertainty principle
1st law of thermodynamics
40
compounds of what element are more formed than all the elements combined?
carbon
helium
hydrogen
oxygen