AnswersGCSS_Physical Science_ICIntroduction to Chemical Reactions

Types of Chemical Reactions Answers

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synthesispolymerizationdecompositionoxidationreplacement

A
synthesis
B
polymerization
C
decomposition
D
oxidation
E
replacement
4

Which type of reaction is NaCl + AgNO3 → NaNO3 + AgCl?

A
synthesis
B
decomposition
C
oxidation
D
replacement
5

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.
6

What is produced during the replacement reaction of Ba(NO3)2 and Na2SO4?

A
2BaNa + 2NO3SO4
B
2NaNO3 + BaSO4
C
NaNO3 + BaSO4
D
BaNa2 + (NO3)2SO4
7

Which is produced in a synthesis reaction?

A
a single element
B
a single compound
C
a single ion
D
a single atom
8

Which clue can be used to identify a chemical reaction as a combustion reaction?

A
Oxygen is a product.
B
A hydrocarbon reacts with oxygen.
C
Water and carbon dioxide react.
D
The reaction involves ions.
9

What else is produced when sodium carbonate decomposes? Na2CO3 → Na2O +

Answer not available

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