AnswersWA-Chemistry ATypes of Chemical Reactions

Types of Chemical Reactions Answers

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1
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Which is produced in a synthesis reaction?

A
a single element
B
a single compound
C
a single ion
D
a single atom
2
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Which three types of reactions yield a product that is a chemically bonded combination of reactants?

A
replacement, polymerization, decomposition
B
polymerization, decomposition, oxidation
C
decomposition, synthesis, replacement
D
oxidation, synthesis, polymerization
3

Luis is helping his parents paint a border around the walls of a room. He uses a stencil to repeat the same design on each wall to form one long grapevine with a bunch of grapes every foot along its length. What type of chemical reaction does this best model?

A
replacement
B
decomposition
C
polymerization
D
synthesis
4

When Coach Kwan notices that a player is getting tired, she takes out the tired player and substitutes a fresh player. Which type of chemical reaction does this best model?

A
replacement
B
decomposition
C
synthesis
D
oxidation
6

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A
synthesis
B
polymerization
C
decomposition
D
oxidation
E
replacement
7

What else is produced during the combustion of propane, C3H8?

Question illustration
A
H2O
B
C3H8
C
O2
D
C3H8O2
8

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A
synthesis
B
polymerization
C
decomposition
D
oxidation
E
replacement
9

Rosa was looking for patterns to help predict the products of chemical reactions. She recorded three similar decomposition reactions in the table.What products should she record in the last row of the table?

Question illustration
A
2LiCl + 3O2
B
3LiCl + 2O2
C
2LiO + 3Cl2
D
3LiO+ 2Cl2
10

Andre is predicting the products of chemical reactions. In one reaction, a hydrocarbon is the only reactant. What is the best prediction and explanation of this reaction?

A
Two new compounds form as the hydrocarbon undergoes a synthesis reaction.
B
Carbon dioxide and water form because the hydrocarbon undergoes a combustion reaction.
C
A polymer forms because the hydrocarbon joins with itself in a polymerization reaction.
D
Oxides form because the hydrocarbon combines with oxygen in an oxidation reaction.

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