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Unit 7 Chemical Reactions Review

Total questions: 72

Worksheet time: 46mins

Name
Class
Date
1.

A single reactant breaks down into two smaller products, describes what type of reaction?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

2.

A single element higher on the activity series switches with the cation in a compound to produce a new compound and a lone element, describes what type of reaction?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

3.

Two lone elements combine together to form a compound, describes what type of reaction?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

4.

A hydrocarbon reacts with oxygen to produce water and oxygen, describes what type of reaction?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

5.

The cations in two compounds switch places to produce two new compounds, describes what type of reaction?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

6.

An acid and a base react to produce a salt and water, describes what type of reaction?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

7.

The following is the general reaction form for which type of reaction?

A + BC —> B + AC

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

8.

The following is the general reaction form for which type of reaction?

A + B —> AB

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

9.

The following is the general reaction form for which type of reaction?

CxHy + O2 —> CO2 + H2O

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

10.

The following is the general reaction form for which type of reaction?

AB + CD —> AD + CB

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

11.

The following is the general reaction form for which type of reaction?

AB —> A + B

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

12.

The following is the reaction form for which type of reaction?

HX + XOH —> XX + H2O

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

13.

Identify the type of reaction: H2 + Cl2 —> HCl

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

14.

Identify the type of reaction:

HCl + NaOH —> NaCl + H2O

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

15.

Identify the type of reaction:

C4H8 + O2 —> CO2 + H2O

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

16.

Identify the type of reaction:

H2SO4 + KOH —> K2SO4 + H2O

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

17.

Identify the type of reaction:

KOH —> K + OH

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

18.

Identify the type of reaction:

MgCl2 + H3PO4 —> Mg3(PO4)2 + HCl

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

19.

Identify the type of reaction:

Zn + HCl —> H2 + ZnCl2

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

20.

Identify the type of reaction:

(NH4)3PO4 —> NH4 + PO4

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

21.

Identify the type of reaction:

CH4 + O2 —> CO2 + H2O

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

22.

Identify the type of reaction:

NH4 + Cl2 —> NH4Cl

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

23.

Identify the type of reaction:

Mg + NaOH —> Na + Mg(OH)2

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

24.

Identify the type of reaction:

BeCl2 + Mg(OH)2 —> Be(OH)2 + MgCl2

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

25.

Determine the coefficients after balancing the following reaction:

Mg + NaOH —> Na + Mg(OH)2

a)

1, 2, 2, 1

b)

1, 1, 1, 1

c)

1, 2, 3, 1

d)

2, 2, 1, 1

26.

Determine the coefficients after balancing the following reaction:

CH4 + O2 —> CO2 + H2O

a)

2, 2, 1, 1

b)

1, 1, 2, 2

c)

1, 2, 1, 2

d)

2, 2, 1, 2

27.

Determine the coefficients after balancing the following reaction:

(NH4)3PO4 —> NH4 + PO4

a)

1, 1, 1

b)

1, 3, 1

c)

1, 2, 1

d)

1, 1, 2

28.

Determine the coefficients after balancing the following reaction:

Zn + HCl —> H2 + ZnCl2

a)

1, 1, 1, 2

b)

2, 2, 1, 1

c)

2, 1, 1, 1

d)

1, 2, 1, 1

29.

Determine the coefficients after balancing the following reaction:

MgCl2 + H3PO4 —> Mg3(PO4)2 + HCl

a)

3, 2, 2, 2

b)

1, 2, 3, 2

c)

3, 2, 1, 6

d)

2, 2, 1, 3

30.

Determine the coefficients after balancing the following reaction:

H2SO4 + KOH —> K2SO4 + H2O

a)

1, 2, 1, 2

b)

1, 2, 2, 1

c)

1, 2, 2, 2

d)

2, 1, 2, 1

31.

Determine the coefficients after balancing the following reaction:

C4H8 + O2 —> CO2 + H2O

a)

2, 3, 4, 2

b)

1, 2, 3, 2

c)

3, 4, 2, 1

d)

1, 6, 4, 4

32.

Determine the coefficients after balancing the following reaction:

H2 + Cl2 —> HCl

a)

2, 2, 2

b)

1, 1, 2

c)

2 ,1, 1

d)

1, 2, 1

33.

Determine the coefficients after balancing the following reaction:

NH4 + Cl2 —> NH4Cl

a)

2, 1, 2

b)

2, 1, 1

c)

1, 2, 2

d)

1, 1, 2

34.

Determine the coefficients after balancing the following reaction:

H2S + NaOH —> Na2S + H2O

a)

2, 2, 1, 1

b)

1, 2, 2, 2

c)

1, 2, 1, 2

d)

2, 2, 1, 1

35.

Determine the coefficients after balancing the following reaction:

H2 + PO4 —> H3PO4

a)

2 ,2, 3

b)

3, 2, 2

c)

2, 1, 3

d)

3, 2, 1

36.

Determine the coefficients after balancing the following reaction:

Fe(OH)2 + HCl —> FeCl2 + H2O

a)

2, 1, 1, 1

b)

2, 2, 1, 1

c)

1, 1, 2, 1

d)

1, 2, 1, 2

37.

Will Lithium be able to steal Cl- from Cobalt in a single replacement reaction?

a)

YES

b)

NO

38.

Will Manganese be able to steal Cl- from Sodium in a single replacement reaction?

a)

YES

b)

NO

39.

Will Tin be able to steal Cl- from Lead in a single replacement reaction?

a)

YES

b)

NO

40.

Will Zinc be able to steal Cl- from Chromium in a single replacement reaction?

a)

YES

b)

NO

41.

Will Calcium be able to steal Cl- from Barium in a single replacement reaction?

a)

YES

b)

NO

42.

Will Hydrogen be able to steal Cl- from Iron in a single replacement reaction?

a)

YES

b)

NO

43.

Is the following single replacement reaction possible?

Mg + NaOH —> Na + Mg(OH)2

a)

POSSIBLE

b)

NOT POSSIBLE

44.

Is the following single replacement reaction possible?

Zn + HCl —> H2 + ZnCl2

a)

POSSIBLE

b)

NOT POSSIBLE

45.

Is the following single replacement reaction possible?

Fe2+ + Cr(MnO4)2 —> Cr2+ + Fe(MnO4)2

a)

POSSIBLE

b)

NOT POSSIBLE

46.

Is the following single replacement reaction possible?

Ag + AuNO3 —> Au + AgNO3

a)

POSSIBLE

b)

NOT POSSIBLE

47.

Is the following single replacement reaction possible?

Ca2+ + Mn(NO3)4 —> Mn + Ca(NO3)2

a)

POSSIBLE

b)

NOT POSSIBLE

48.

Is the following single replacement reaction possible?

Cu + BaCl2 —> Ba + CuCl2

a)

POSSIBLE

b)

NOT POSSIBLE

49.

Is the following compound soluble or insoluble?

AgBr

a)

SOLUBLE

b)

INSOLUBLE

50.

Is the following compound soluble or insoluble?

(NH4)3PO4

a)

SOLUBLE

b)

INSOLUBLE

51.

Is the following compound soluble or insoluble?

Ca(OH)2

a)

SOLUBLE

b)

INSOLUBLE

52.

Is the following compound soluble or insoluble?

Ag3PO4

a)

SOLUBLE

b)

INSOLUBLE

53.

Is the following compound soluble or insoluble?

H2S

a)

SOLUBLE

b)

INSOLUBLE

54.

Is the following compound soluble or insoluble?

HCN

a)

SOLUBLE

b)

INSOLUBLE

55.

Identify the precipitation reaction(s) from the reactions below:

A. NaCl + KOH —> KCl + NaOH

B. NaBr + AgCl —> NaCl + AgBr

C. NaNO3 + (NH4)3PO4 —> Na3PO4 + NH4NO3

a)

A

b)

A, B

c)

B, C

d)

B

56.

Could the following reaction be considered a precipitation reaction?

NaBr + HCl —> NaCl + HBr

a)

YES

b)

NO

57.

Could the following reaction be considered a precipitation reaction?

BaCl2 + H2SO4 —> BaSO4 + HCl

a)

YES

b)

NO

58.

Could the following reaction be considered a precipitation reaction?

HCN + NaCl —> HCl + NaCN

a)

YES

b)

NO

59.

Could the following reaction be considered a precipitation reaction?

H2CO3 + NH4Cl —> HCl + (NH4)2CO3

a)

YES

b)

NO

60.

Identify the precipitation reaction from the reactions below.

a)

HCl + ZnCrO4 —> H2CrO4 + ZnCl2

b)

NaCl + Mg(OH)2 —> NaOH + MgCl2

c)

H3PO4 + KNO3 —> HNO3 + K3PO4

d)

KOH + NaCl —> NaOH + KCl

61.

Combustion will ALWAYS produce......

a)

Water

b)

Water and Carbon Dioxide

c)

Glucose

d)

Carbon Monoxide and Dihydrogen monoxide

62.

Neutralization will ALWAYS produce....

a)

Water

b)

Dihydrogen monoxide

c)

A Salt and Water

d)

Carbon dioxide

63.

Predict the products of the following reaction:

H2 + NO3 —> ?

a)

HN + O2

b)

HNO3

c)

OH + N

d)

O2 + N

64.

Predict the products of the following reaction:

H3PO4 + NaOH —> ?

a)

OH + NaPO4

b)

H2 + Na3PO4

c)

H2O + Na3PO4

d)

O2 + H2

65.

Predict the products of the following reaction:

Co3+ + ZnCl2 —> ?

a)

ZnCo + Cl2

b)

Zn + CoCl3

c)

Zn + Co

d)

CoCl + Zn

66.

Predict the products of the following reaction:

K3PO4 + HCl —> ?

a)

H2O + H3PO4

b)

KCl + H2

c)

KH + H3PO4

d)

KCl + H3PO4

67.

Predict the products of the following reaction:

C6H12 + O2 —> ?

a)

CO2 + H2

b)

OH + C

c)

CO2 + H2O

d)

H2O + CH6

68.

Predict the products of the following reaction:

HC2H3O2 —> ?

a)

H2 + O2

b)

H4 + CO2

c)

HC + OH

d)

H2 + C2H3O2

69.

Identify the type of reaction based on the reactants given in the following reaction:

NH4 + CO3 —> ?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

70.

Identify the type of reaction based on the reactants given in the following reaction:

AgNO3 + NaCl —> ?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization

71.

Identify the type of reaction based on the reactants given in the following reaction:

C3H2O + O2 —> ?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Combustion

72.

Identify the type of reaction from the reactants given in the following reaction:

HF + NaOH —> ?

a)

Double Replacement

b)

Single Replacement

c)

Decomposition

d)

Synthesis

e)

Neutralization