Free Printable Types of Reactions

1.

iron (II) hydroxide → iron (II) oxide + water + hydrogen gas

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

2.

Li₂O +H₂O → LiOH

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

3.

CH₃OH + O₂ → CO₂ + H₂O

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

4.

lead + magnesium nitrate → lead (II) nitrate + magnesium

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

5.

nitrogen dioxide → nitrogen monoxide + oxygen

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

6.

calcium nitrate + sodium sulfate → calcium sulfate + sodium nitrate

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

7.

Cr + S₈ → Cr₂S₃

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

8.

germanium (IV) oxide → germanium and oxygen gas

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

9.

C₆H₆ + O₂ → CO₂ + H₂O

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

10.

Ba(HCO₃)₂ → BaCO₃ + CO₂ + H₂O

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

11.

The following is what type of reaction:
PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

12.

The following is what type of reaction:
NH₃ + HCl → NH₄Cl

a)

Synthesis

b)

Decomposition

c)

Single Replacement Replacement

d)

Double Replacement Replacement

13.

What type of chemical reaction is this?
Al(OH)₃ → Al₂O₃ + H₂O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

14.

3Ca + 2AlCl₃ --> 3CaCl₂+2Al

a)

Synthesis

b)

Decomposition

c)

Single Displacement

d)

Double Displacement

15.

Which generalized equation represents a synthesis reaction?

a)

A + BC → AC+ B

b)

A + B → AB

c)

AB → A + B

16.

Which generalized equation represents a decomposition reaction?

a)

A + BC → AC+ B

b)

A + B → AB

c)

AB → A + B

17.

Which generalized equation represents a single displacement reaction?

a)

A + BC → AC+ B

b)

A + B → AB

c)

AB → A + B

18.

Si + S₈ --> Si₂S₄

a)

Synthesis (combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

19.

Pb(NO₃)₂ --> PbO + NO₂ + O₂

a)

Synthesis (combination)

b)

Decomposition

c)

Single replacement

d)

Combustion

20.

3 Pb + 2 H₃PO₄ ----> 3 H₂ + 1 Pb₃(PO₄)₂

a)

Synthesis (or combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

21.

What type of reaction is the following: C3H8 + 5O2 -> 3CO2 + 4H2O?

a)

Combustion reaction

b)

Decomposition reaction

c)

Synthesis reaction

d)

Single displacement reaction

22.

What type of reaction is the following: 2H2O2 -> 2H2O + O2?

a)

Synthesis reaction

b)

Combustion reaction

c)

Decomposition reaction

d)

Single displacement reaction

23.

What type of reaction is the following: NaCl + AgNO3 -> NaNO3 + AgCl?

a)

Double displacement reaction

b)

Single displacement reaction

c)

Combustion reaction

d)

Decomposition reaction

24.

What type of reaction is the following: Fe + CuSO4 -> FeSO4 + Cu?

a)

Combustion reaction

b)

Decomposition reaction

c)

Double replacement reaction

d)

Single replacement reaction

25.

Which type of reaction is shown?

a)

Combustion

b)

single replacement

c)

double replacement

d)

decomposition

26.

What type of reaction is shown?

a)

Decomposition

b)

Single replacement

c)

Combustion

d)

Combination (or Synthesis)

27.

What type of reaction is this?

a)

Combination (or Synthesis)

b)

Single replacement

c)

Double replacement

d)

Decomposition

28.

Which type of reaction is shown?

a)

Combustion

b)

Combination (or Synthesis)

c)

Decomposition

d)

Double replacement

29.

Which type of reaction is shown?

a)

Single replacement

b)

Double replacement

c)

Combustion

d)

Decomposition

30.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

31.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

32.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

33.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

34.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

35.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

36.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

37.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

38.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

39.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

40.

Which type of reaction is:

H₂ + O₂ → H₂O

a)

Synthesis

b)

Decomposition

c)

Single Displacement

d)

Double Displacement

41.

Which type of reaction is:

NiCl₂ → Ni + Cl₂

a)

Synthesis

b)

Decomposition

c)

Single Displacement

d)

Double Displacement

42.

Which type of reaction is:

MgI₂ + Br₂ → MgBr₂ + I

a)

Synthesis

b)

Decomposition

c)

Single Displacement

d)

Double Displacement

43.

Which type of reaction is:

NaCl + AgNO₃ → NaNO₃ + AgCl

a)

Synthesis

b)

Decomposition

c)

Single Displacement

d)

Double Displacement

44.

Which type of reaction is:

NH₃ + HCl → NH₄Cl

a)

Synthesis

b)

Decomposition

c)

Single Displacement

d)

Double Displacement

45.

Which type of reaction is:

Al(OH)₃ → Al₂O₃ + H₂O

a)

Decomposition

b)

Double Displacement

c)

Synthesis

d)

Single Displacement

46.

The following is what type of reaction:
PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

47.

4Si + S₈ --> 2Si₂S₄

a)

Synthesis

b)

Decomposition

c)

Single Displacement

d)

Double Displacement

48.

What reaction has the following general formula:

A + CD --> C + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

49.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

50.

This pictures simulates what type of reaction?

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

51.

What kind of reaction is the following?

4Fe + 3O₂ → 2Fe₂O₃

a)

decomposition

b)

synthesis

c)

acid-base

d)

single replacement

52.

What kind of reaction is the following?

Zn + 2HCl → H₂ + ZnCl₂

a)

single replacement

b)

combustion

c)

synthesis

d)

double displacement

53.

Match the following pictures with the type of Chemical Reactions

a)

1.

Combustion

b)

2.

Synthesis

c)

3.

Decomposition

d)

4.

Single Displacement

(Replacement)

e)

5.

Double Displacement (Replacement)

54.

NaOH + HCl → NaCl + H₂O

a)

double replacement

b)

combustion

c)

synthesis

d)

decomposition

55.

Na₃PO₄ + 3 KOH ----> 3 NaOH + K₃PO₄

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

56.

What type of reaction is the following:
$C_{11}H_{24}+17O_2->\ 11CO_2\ +\ 12H_2O$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

57.

What type of reaction is C₂H₂ + O₂ → CO₂ + H₂O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

58.

What type of reaction is BF₃ + Li₂SO₃ → B₂(SO₃)₃ + LiF

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

59.

What type of reaction is Ag₂O → Ag + O₂

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

60.

What type of reaction is C₅H₁₀+ O₂ → CO₂ + H₂O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

61.

What type of reaction is Zn + HCl → H₂ + ZnCl₂

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

62.

What type of reaction is H₂ + N₂ → NH₃

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

63.

What type of reaction is (NH₂)₃PO₄ + Pb(NO₃)₄ → NH₄NO₃ + Pb₃(PO₄)₄

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

64.

What type of reaction is Fe + H₂SO₄ → H₂ + FeSO₄

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

65.

What type of reaction is KClO₃→ KCl + O₂

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

66.

What type of reaction is SeCl₆ + O₂ → SeO₂ + Cl₂

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

67.

Which type of reaction is:

NiCl₂ → Ni + Cl₂

a)

Synthesis

b)

Decomposition

c)

Single Displacement

d)

Double Displacement

68.

What are the products of a combustion reaction?

a)

a single complex compound

b)

several simpler elements

c)

carbon dioxide and water

d)

carbon dioxide and hydrogen

69.

Ions in two compounds switch.

a)

Synthesis

b)

Combustion

c)

Single Replacement

d)

Double Replacement

70.

What kind of reaction is the following?

Zn + 2HCl → H₂ + ZnCl₂

a)

single replacement

b)

combustion

c)

synthesis

d)

double displacement

71.

What type of reaction is the following:
$C_{11}H_{24}+17O_2->\ 11CO_2\ +\ 12H_2O$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

72.

What type of reaction is C₂H₂ + O₂ → CO₂ + H₂O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

73.

What type of reaction is Fe + H₂SO₄ → H₂ + FeSO₄

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

None of these

74.

Which of the following is an example of a synthesis reaction?

a)

$2KClO_3 \rightarrow 2KCl + 3O_2$

b)

$2Na + Cl_2 \rightarrow 2NaCl$

c)

$Zn + 2HCl \rightarrow ZnCl_2 + H_2$

d)

$AgNO_3 + NaCl \rightarrow AgCl + NaNO_3$

75.

In a single displacement reaction, what happens?

a)

Two compounds react to form two new compounds.

b)

A compound breaks down into simpler substances.

c)

An element replaces another element in a compound.

d)

Two elements combine to form a compound.

76.

Which equation represents a double displacement reaction?

a)

$2Mg + O_2 \rightarrow 2MgO$

b)

$CaCO_3 \rightarrow CaO + CO_2$

c)

$Fe + CuSO_4 \rightarrow FeSO_4 + Cu$

d)

$Na_2SO_4 + BaCl_2 \rightarrow BaSO_4 + 2NaCl$

77.

Which of the following is a characteristic of a synthesis reaction?

a)

It involves the exchange of ions between two compounds.

b)

It produces a single product from multiple reactants.

c)

It always requires oxygen as a reactant.

d)

It results in the breakdown of a compound into simpler substances.

78.

What distinguishes a single displacement reaction from a double displacement reaction?

a)

The number of products formed

b)

The exchange of ions between two compounds

c)

The replacement of one element in a compound by another element

d)

The involvement of oxygen as a reactant

79.

In the reaction $Ca + 2H_2O \rightarrow Ca(OH)_2 + H_2$ , what type of reaction is taking place?

a)

Combustion reaction

b)

Synthesis reaction

c)

Decomposition reaction

d)

Single displacement reaction

80.

Which of the following reactions is an example of a decomposition reaction?

a)

$H_2 + Cl_2 \rightarrow 2HCl$

b)

$2NaCl \rightarrow 2Na + Cl_2$

c)

$CuSO_4 + Zn \rightarrow ZnSO_4 + Cu$

d)

$HCl + NaOH \rightarrow NaCl + H_2O$

81.

What is required for a combustion reaction to occur?

a)

Water

b)

Oxygen

c)

Carbon dioxide

d)

Sunlight

82.

In a synthesis reaction, how many products are typically formed?

a)

One

b)

Two

c)

Three

d)

It varies depending on the reactants

83.

Which statement best describes a single displacement reaction?

a)

A compound reacts with an element to form a new compound and release another element.

b)

Two elements react to form a compound.

c)

A compound breaks down into simpler substances.

d)

Two compounds react to form two new compounds.

84.

What type of reaction is the following:
$BaCl_2+2KI\ ->\ 2KCl\ +\ BaI_2$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

85.

P₄ + 3 O₂ ----> 2 P₂O₃

a)

Synthesis (or combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

86.

compound ---> element + element

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

87.

Which chemical reaction breaks down into 2 substances?

a)

Double displacement

b)

Single displacement

c)

Synthesis

d)

Decomposition

88.

2 C₅H₅ + Fe --> Fe(C₅H₅)₂

a)

single displacement

b)

double displacement

c)

decomposition

d)

synthesis

89.

Why is Cl₂ + KI → KCl + I₂ not a synthesis reaction?

a)

Oxygen is not a reactant in this reaction.

b)

The reaction has more than one reactant.

c)

Oxygen is not a product in this reaction.

d)

The reaction has more than one product and neither product is more complex than the reactants.

90.

Substances that are made by a chemical reaction

a)

Activation Energy

b)

Reactants (substrate)

c)

Products

d)

Metabolism

91.

What type of reaction is the following:
$Ag_3N\ +\ 3HBr->3AgBr+H_3N$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

92.

What is the general reaction scheme for a combustion reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

e)

$C_xH_y+O_2\ ->\ CO_2+H_2O$

93.

Two Reactants and One Product

a)

Decomposition

b)

Synthesis

c)

Combustion

d)

Single Replacement

94.

One reactant into several products.

a)

Decomposition

b)

Synthesis

c)

Combustion

d)

Single Replacement

95.

O₃ ----> O^. + O₂

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

96.

2 MgI₂ + Mn(SO₃)₂ ----> 2 MgSO₃ + MnI₄

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

Types of Reactions

Total questions: 96

Worksheet time: 1hrs 28mins

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