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Types Of Reactions
Test Description: Chapter 8 Prentice Hall
Instructions: Answer all questions to get your test result.
1) In the chemical equation H2O2(aq) -------- ) H20(l) + O2(g) , H2O2 is the
A
spectator ion
B
product
C
reactant
D
catalyst
2) Water is often a product in:
A
combustion reactions
B
decomposition reactions
C
combination reactions
D
single-replacement reactions
3) Double Replacement reactions are generally driven by the formation of
A
a gas
B
all of the three.
C
a precipitate
D
water
4) Based on the activity series, the reaction that is most likely to occur from the following is
A
Ni(s) + Ba(NO3)2 (aq) ---------)
B
Pb(s) + Na2SO4 (aq) ---------)
C
Zn(s) + HNO3 (aq) ---------)
D
Cu(s) + HCl (aq) ---------)
5) In a double replacement reaction:
A
energy in the form of heat or light is always produced.
B
one of the products is always a gas.
C
one of the products must be an element.
D
metals(positive ions) are exchanged between two compounds.
6) A catalyst is:
A
not used up in a reaction.
B
one of the reactants in a single replacement reaction.
C
a solid product of a reaction.
D
the product of a combustion reaction.
7) The equation 2C3H7OH (g) + 9O2 (g)--------) 6CO2(g) + 8H2Ois an example of a
A
double replacement reaction.
B
combination reaction.
C
single replacement reaction.
D
combustion reaction.
8) A reaction where two or more substances react to form a single substance is called a :
A
synthesis reaction
B
double replacement reaction.
C
single replacement reaction.
D
combustion reaction.
9) Balancing chemical reactions is based on what law?
A
Law of Multiple Proportions
B
Law of Definite Proportions
C
Law of Conservation of Mass.
D
Law of Balancing
10) A substance that speeds up a reaction without being used up is called a
A
product
B
reactant
C
spectator ion
D
catalyst
*select an answer for all questions
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