Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Chapter 6 Qs For Final Review
Test Description: Ch 6 Qs
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of a decomposition reaction?
A
exchange of ions between two compounds
B
polymerization
C
photosynthesis
D
digestion
2) Which statement about endothermic reactions is true?
A
energy is transferred from surroundings to the reactants
B
energy is transferred from the reactants to the surroundings
C
energy is used to force electrons to move to higher energy levels
D
energy is always created in the form of heat
3) A balanced chemical equation shows proportions of reactants and products necessary for
A
energy to be minimized.
B
the reaction to occur.
C
mass to be conserved.
D
electrolysis to occur.
4) A synthesis reaction is a reaction between at least two compounds in which...
A
a compound is decomposed by an electric current.
B
one breaks down into at least two products.
C
a new. more complex compound is formed.
D
a compound burns in the presence of oxygen.
5) A chemical equation is balanced by changing or adding...
A
coefficients.
B
reactants.
C
subscripts.
D
powers.
6) In an exothermic reaction, energy is transferred from
A
the surroundings to the reactants.
B
one reactant to another.
C
the container to the chemicals.
D
the reactants to the surroundings.
7) An enzyme is a special kind of catalyst that works to...
A
maintain the correct temperature for a reaction.
B
slow down a chemical reaction.
C
speed up a specific biochemical reaction.
D
break down chemical elements.
8) In a balanced chemical reaction, the total mass of the products always equals the...
A
total mass of the reactants.
B
molar mass of the reactants.
C
proportional masses of the reactants.
D
atomic mass of the reactants.
9) A reaction in which a single compound breaks down to form 2 or more simpler substances is called _____________________________.
A
double-displacemet
B
decomposition
C
synthesis
D
single-displacement
10) A substance that forms in a chemical reaction is called....
A
a reactant.
B
a chemical bond.
C
a product.
D
an ion.
11) A reaction in which two or more substances combine to form a new compound is called...
A
decomposition.
B
combustion.
C
electrolysis.
D
synthesis.
12) A reaction in which heat is released to the surroundings is called...
A
combustion.
B
exothermic.
C
endothermic.
D
decomposition.
13) The oxidation reaction of an organic compound in which heat is released is called...
A
exothermic.
B
synthesis.
C
combustion.
D
decomposition.
14) A ________________ is a substance that changes the rate of a reaction without being consumed or changed significantly.
A
substrate
B
catalyst
C
radical
D
enzyme
15) _____________________ is the relative number of moles of the substances required to produce a given amount of product in a reaction.
A
Molar mass
B
Moles
C
Mole ratio
D
Molecular formula
16) The process by which an electric current is used to produce a chemical reaction, such as the decomposition of water is called...
A
electrolysis.
B
decomposition.
C
synthesis.
D
combustion.
17) An organic group that has one or more electrons available for bonding is called...
A
a substrate.
B
an enzyme.
C
a radical.
D
a catalyst.
18) A substance or molecule that participates in a chemical reaction is called...
A
a substrate.
B
a catalyst.
C
a product.
D
a reactant.
19) A __________________ is a chemical reaction that requires heat.
A
combustion reaction
B
exothermic reaction
C
oxidation reduction reaction
D
endothermic reaction
20) ___________________ is the energy released when a chemical compound reacts to produce new compounds.
A
Chemical bond
B
Chemical energy
C
Exothermic energy
D
Chemical formula
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?