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Classify Reaction Type

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Classify
Zn + H
2S → ZnS + H2

a)

synthesis

b)

combustion

c)

single replacement

d)

double replacement

2.

C + O→ CO2

a)

Synthesis Reaction

b)

Decomposition Reaction

c)

Single Displacement Reaction

d)

Double Displacement Reaction

3.

Classify
HI → H
2 + I2

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

4.

Classify
CH4 + O2 → CO2 + H2 O 

a)

single replacement

b)

double replacement

c)

synthesis

d)

combustion

5.

Match the following Reaction types

a)

Zn(s) + 2HCl(aq) --> ZnCl2(aq) + H2

1.

Single replacement

b)

C6H12O6(s) + O2 (g) --> 6CO2 + 6H2O(l) + heat

2.

Combustion

c)

CH3CO2H +H2O --> CH3CO2- + H3O+

3.

Acid-Base

d)

6CO2 + 6H20 + light energy --> C6H12O6 + 6O2

4.

Synthesis

e)

2H2O2 + light --> 2H20 + O2

5.

Decomposition

6.

A new compound is formed by the combination of simpler reactants, such as nitrogen dioxide and oxygen combine (a component of smog) forming in the atmosphere. This is a ​ (a)  

Choose from the below words

synthesis reaction

decomposition reaction

combustion reaction

7.

Classify
FeS + HCl → H
2S + FeCl2

a)

synthesis

b)

combustion

c)

single replacement

d)

double replacement

8.

Classify
Fe + O2 → Fe2O3

a)

synthesis

b)

decomposition

c)

double replacement 

d)

single replacement

9.

AB + CD →AD + CB

a)

Double Replacement

b)

Single Replacement

c)

Synthesis

d)

Decomposition

10.

Identify this type of reaction,
Cl2 + 2KI -->  I2 + 2KCl

a)

Synthesis

b)

Single displacement

c)

Double displacement

d)

Decomposition

11.

C5H5 + Fe --> Fe(C5H5)2 

a)

single displacement

b)

double displacement

c)

decomposition

d)

synthesis

12.

RbNO3 + BeF2 --> Be(NO3)2 + 2 RbF

a)

single displacement

b)

double displacment

c)

decomposition

d)

synthesis

13.

AgNO3 + Cu --> Cu(NO3)2 + 2 Ag 

a)

single displacement

b)

double displacement

c)

decomposition

d)

synthesis

14.

A + BC →B + AC

a)

Single Replacement

b)

Decomposition

c)

Double Replacement

d)

Synthesis

15.

Mg + N2 →Mg3N2

a)

Synthesis (combination)

b)

Decomposition

c)

Single replacement

d)

Combustion

16.

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

a)

Synthesis

b)

Decomposition

c)

Single Replacement Replacement

d)

Double Replacement Replacement

17.

What type of chemical reaction is burning paper?

a)

Chemical

b)

Physical

18.

Classify the reaction: @@ ext{Na}_2 ext{CO}_3 + ext{CaCl}_2 ightarrow ext{CaCO}_3 + 2 ext{NaCl}@@

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

19.

Classify the reaction: @@ ext{2H}_2 ext{O}_2 ightarrow 2 ext{H}_2 ext{O} + ext{O}_2@@

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

20.

Classify the reaction: @@ ext{C}_6 ext{H}_{12} ext{O}_6 + 6 ext{O}_2 ightarrow 6 ext{CO}_2 + 6 ext{H}_2 ext{O}@@

a)

Synthesis

b)

Decomposition

c)

Combustion

d)

Single Replacement

21.

Classify the reaction: @@ ext{2Na} + ext{Cl}_2 ightarrow 2 ext{NaCl}@@

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

22.

Classify the reaction: @@ ext{2KClO}_3 ightarrow 2 ext{KCl} + 3 ext{O}_2@@

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

23.

Classify the reaction: @@ ext{Fe} + ext{CuSO}_4 ightarrow ext{FeSO}_4 + ext{Cu}@@

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

24.

Classify the reaction: @@ ext{2C}_2 ext{H}_6 + 7 ext{O}_2 ightarrow 4 ext{CO}_2 + 6 ext{H}_2 ext{O}@@

a)

Synthesis

b)

Decomposition

c)

Combustion

d)

Single Replacement

25.

Classify the reaction: @@ ext{BaCl}_2 + ext{Na}_2 ext{SO}_4 ightarrow ext{BaSO}_4 + 2 ext{NaCl}@@

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement