AnswersChemistryTypes of Reactions

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The formation of which product(s) will most likely be observed in a combustion reaction?

A
an oxide
B
two ionic compounds
C
one element and one compound
D
an element
4

Which type of chemical reaction occurs in Ca plus Cl sub 2 rightarrow Ca Cl sub 2 ?

A
synthesis
B
single replacement
C
combustion
D
double replacement
5

A double replacement reaction can be best described as a reaction in which

A
two atoms of a compound are lost.
B
electrons are exchanged between two atoms.
C
a substitution takes place.
D
ions are exchanged between two compounds.
6

Which type of chemical reaction occurs in 2 KClO sub 3 rightarrow 2 KCl plus 3 cap o sub 2 ?

A
single replacement
B
double replacement
C
decomposition
D
synthesis
7

Which is a characteristic of a decomposition reaction?

A
Substance P replaces X in the compound XY.
B
Substance Z burns in the presence of oxygen to form ZO.
C
Substance X combines with Y to form compound XY.
D
Substance XYZ breaks down into X, Y, and Z.
8

A chemical reaction in which one element replaces another element in a compound can be categorized as a

A
decomposition reaction.
B
combustion reaction.
C
double displacement reaction.
D
single displacement reaction.
10

In which type of chemical reaction do two or more substances combine to form one substance?

A
decomposition
B
single replacement
C
double replacement
D
synthesis

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