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Classifying Chemical Reactions

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which type of reaction has the general formula

AB + CD → AD + CB

a)

Double Replacement

b)

Single Replacement

c)

Synthesis

d)

Decomposition

e)

Combustion

2.

What type of reaction is this?

Cl2 + 2KI I2 + 2KCl

a)

Synthesis

b)

Single replacement

c)

Double replacement

d)

Decomposition

e)

Combustion

3.

What type of reaction is this?

2C5H10 + 15O2 → 10CO2 + 10H2O

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

4.

Which of the following is an example of synthesis?

a)

Na + Br2 → NaBr

b)

KClO3 → KCl + O2

c)

HgO + Cl2 →HgCl + O2

d)

Cl2 + NaBr → NaCl + Br2

5.

What type of reaction is this?

2AgNO3 + Cu → Cu(NO3)2 + 2Ag

a)

Synthesis

b)

Decomposition

c)

Double replacement

d)

Single replacement

e)

Combustion

6.
Which of the following is the general formula for a decomposition reaction?
a)
A + B  → AB
b)
AB → A + B
c)
AB + C → AC + B
d)
AB + CD → AC + BD
7.

What type of reaction is this?

Mg + N2 → Mg3N2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Combustion

e)

Double replacement

8.

Which type of reaction has the general formula

A + BC → B + AC

a)

Single Replacement

b)

Decomposition

c)

Double Replacement

d)

Synthesis

e)

Combustion

9.

What type of reaction is this?

NO2 → N2 + O2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Combustion

e)

Double replacement

10.

What type of reaction is this?

CH4 + 2O2 → CO2 + 2H2O

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

11.

Identify the product(s) in this word equation

a)

Sodium

b)

Sodium chloride

c)

Sodium and Chlorine

d)

Sodium and sodium chloride

12.

The products in this reaction are?

a)

Two solids

b)

One solid and one gas

c)

Three solids and a gas

d)

Two solids and a gas

13.

What are the reactants in this word equation?

a)

Carbon dioxide and oxygen

b)

Carbon dioxide and water

c)

Oxygen and glucose

d)

Oxygen and water

14.

Magneisum reacts with oxygen to form magnesium oxide. The correct word equation is...

a)

A

b)

B

c)

C

d)

D

15.

Iron reacts with solid sulfur to produce iron(II) sulfide powder.

a)

Fe + S → Fe2S

b)

Fe + S → FeS

c)

Fe2 + S→ Fe2S2

d)

Fe + S2 → Fe2S