AnswersFL-2003350-Chemistry 1 HonorsTypes of Reactions

Types of Reactions — Unit test Answers

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The equation shows lead reacting with sulfuric acid to produce lead sulfate and hydrogen gas.Which type of chemical reaction does this equation represent?

Question illustration
A
synthesis
B
decomposition
C
single replacement
D
double replacement
2
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Which reaction will most likely take place based on the activity series?Li > K > Ba > Ca > Na > Mn > Zn > Cr > Fe > Cd > Ni > H > Sb > Cu > Ag > Pd > Hg > Pt

A
Pt + FeCl3
Option A
B
Mn + CaO
Option B
C
Li + ZnCO3
Option C
D
Cu + 2KNO3
Option D
3

Which characteristic best identifies a decomposition reaction?

A
a single compound as a reactant
B
a single compound as a product
C
an element and a compound as reactants
D
an element and a compound as products
4

Which type of reaction is represented by the generic equation AB + CD AD + CB?

Question illustration
A
combustion
B
decomposition
C
single replacement
D
double replacement
5

Considering the activity series given for nonmetals, what is the result of the below reaction? Use the activity series provided. F > Cl > Br > IBr2 + NaF

Question illustration
A
no reaction
B
Na + FBr2
C
NaBr + F2
D
Na2F + Br2
6

A chemical reaction has two elements as reactants. Which type of reaction might occur?

A
synthesis
B
decomposition
C
single replacement
D
double replacement
7

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

A
combustion reaction.
B
decomposition reaction.
C
single displacement reaction.
D
double displacement reaction.
8

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

A
an oxide
B
one element and one compound
C
an element
D
two ionic compounds
9

Considering the activity series given below for metals and nonmetals, which reaction will occur?Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag > Pd >Hg > PtF > Cl > Br > I

A
2NaBr + I2 2NaI + Br2
Option A
B
2Fe + Al2O3 2Al + Fe2O3
Option B
C
2AgNO3 + Ni Ni(NO3)2 + 2Ag
Option C
D
Pb + Zn(C2H3O2)2 Zn + Pb(C2H3O2)2
Option D
10

Sodium chloride reacts with copper sulfate to produce sodium sulfate and copper chloride.This equation represents a

Question illustration
A
synthesis reaction.
B
decomposition reaction.
C
single replacement reaction.
D
double replacement reaction.
11

Which type of chemical reaction occurs in C6H12 + 9O2 6CO2 + 6H2O?

Question illustration
A
synthesis
B
combustion
C
single replacement
D
double replacement
12

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

A
a substitution takes place.
B
two atoms of a compound are lost.
C
ions are exchanged between two compounds.
D
electrons are exchanged between two atoms.
13

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

A
synthesis
B
decomposition
C
single replacement
D
double replacement
14

Propane burns in air to produce carbon dioxide and water. What is this type of chemical reaction called?

A
synthesis
B
combustion
C
decomposition
D
single replacement
15

Using the activity series provided. Which reactants will form products?Na > Mg > Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag

A
Ag +NaNO3
Option A
B
Fe + Al2O3
Option B
C
Ni + NaCl
Option C
D
Fe + Cu(NO3)2
Option D
16

Which type of chemical reaction occurs in 2KClO3 2KCl + 3O2?

Question illustration
A
synthesis
B
decomposition
C
single replacement
D
double replacement
17

Which products would form if chlorine gas was bubbled through a solution of sodium bromide?

A
Na and BrCl
B
Na and BrCl2
C
NaCl and Br2
D
Na(Cl)2 and Br2
18

Which is a characteristic of a decomposition reaction?

A
Substance P replaces X in the compound XY.
B
Substance XYZ breaks down into X, Y, and Z.
C
Substance Z burns in the presence of oxygen to form ZO.
D
Substance X combines with Y to form compound XY.
19

Which type of chemical reaction occurs in Ca + Cl2 CaCl2?

Question illustration
A
synthesis
B
combustion
C
single replacement
D
double replacement
20

Which products are formed when aluminum is added to a silver chloride solution? Use the activity series below if needed.Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag > Pd >Hg > Pt

A
none
B
only AlCl3
C
AlCl3 and Ag
D
AlAg3 and Cl2

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