AnswersAA-F26 Physical ScienceTypes of Chemical Reactions

Types of Chemical 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
5

The brown solid that formed is .

A
zinc
B
copper
C
oxygen
D
iron
6

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
7

The reactant KI is .

A
an element
B
an ionic compound
C
a molecule
D
an oxide
8

The insoluble yellow solid is PbI2, which is .

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

What else can the copper react with?

Answer:

oxygen, air, oxygen from the air, oxygen from air

11

This reaction included .

A
color change
B
precipitate formation
C
gas formation
D
no change
12

products formed.

Answer:

2 products formed.

13

Question text not available

A
single replacement
B
double replacement
C
combustion (and synthesis)
D
synthesis
E
decomposition
15

The reactant Pb(NO3)2 is .

A
an element
B
an ionic compound
C
a molecule
D
an oxide
16

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
17

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
18

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
20

One product is lead iodide. The other product is .

A
lead oxide
B
potassium oxide
C
potassium nitrate
D
nitrogen oxide

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