Lab: Types of Reactions Answers

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1
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The reactant Zn is .

A
an element
B
an ionic compound
C
a molecule
D
an oxide
2
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The reactant CuSO4 is .

A
an element
B
an ionic compound
C
a molecule
D
an oxide
3

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A
single replacement
B
double replacement
C
combustion (and synthesis)
D
synthesis
E
decomposition
4

The brown solid that formed is .

A
zinc
B
copper
C
oxygen
D
iron
5

Analyze Complete the balanced chemical equation in the data table. Then, determine the type of reaction.

A
single replacement
B
double replacement
C
combustion (and synthesis)
D
synthesis
E
decomposition
6

The reactant KI is .

A
an element
B
an ionic compound
C
a molecule
D
an oxide
7

Predict Note the type of reaction you expect for the reactants KI and Pb(NO3)2.

A
single replacement
B
double replacement
C
combustion (and synthesis)
D
synthesis
E
decomposition
8

The insoluble yellow solid is PbI2, which is .

A
lead iodine
B
lead iodide
C
antimony iodide
D
antimony iodine
9

Analyze Complete the balanced chemical equation in the data table. Then, determine the type of reaction.

A
single replacement
B
double replacement
C
combustion (and synthesis)
D
synthesis
E
decomposition
11

formed on the copper wire.

A
Water
B
Oxygen gas
C
Copper oxide
D
Carbon
12

This reaction included .

A
color change
B
precipitate formation
C
gas formation
D
no change
14

The reactant Pb(NO3)2 is .

A
an element
B
an ionic compound
C
a molecule
D
an oxide
15

Analyze Complete the balanced chemical equation in the data table. Then, determine the type of reaction.

A
single replacement
B
double replacement
C
combustion (and synthesis)
D
synthesis
E
decomposition

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