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Synthesis Reactions Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is a synthesis reaction?

a)

A reaction where two or more reactants combine to form a single product

b)

A reaction where a single reactant breaks down into two or more products

c)

A reaction where two or more reactants exchange ions to form new compounds

d)

A reaction where a reactant combines with oxygen to produce carbon dioxide

2.

Which of the following is a synthesis reaction?

a)

2H2O → 2H2 + O2

b)

2NO + O2 → 2NO2

c)

2K + 2H2O → 2KOH + H2

d)

CH4 + 2O2 → CO2 + 2H2O

3.

What is the product of the synthesis reaction in which sodium combines with oxygen?

a)

Na2O

b)

NaO2

c)

NaO

d)

NaCl

4.

Why is it easy to identify synthesis reactions?

a)

They always involve the combination of a metal and a non-metal

b)

They always produce a gas as a product

c)

They always have two or more reactants

d)

They always have a single product

5.

Write a balanced chemical equation for the synthesis reaction in which nitrogen reacts with hydrogen.

a)

N2 + H2 → NH3

b)

N2 + 3H2 → 2NH3

c)

2N + 3H2 → 2NH3

d)

2N + H2 → NH3

6.

Complete the following synthesis reaction by filling in the missing product: 2Al + 3Br2 → ?

a)

AlBr

b)

AlBr2

c)

Al2Br3

d)

Al3Br2

7.

Complete the following synthesis reaction by filling in the missing product: 2K + S → ?

a)

KS

b)

K2S

c)

KS2

d)

K3S

8.

What is the chemical equation for the synthesis of nitrogen dioxide (NO2) from nitric oxide (NO) and oxygen (O2)?

a)

2NO + O2 → NO2

b)

NO + O2 → NO2

c)

2NO2 + O2 → 2NO

d)

NO2 + O2 → 2NO

9.

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

a)

Burning of wood

b)

Decomposition of hydrogen peroxide

c)

Neutralization of an acid with a base

d)

Photosynthesis in plants

10.

What is the product of the synthesis reaction in which hydrogen combines with oxygen?

a)

H2O

b)

HO

c)

H2O2

d)

H2O3

11.

What is the product of the synthesis reaction in which carbon combines with oxygen?

a)

CO

b)

CO2

c)

C2O

d)

C2O2

12.

What is the product of the synthesis reaction in which magnesium combines with chlorine?

a)

MgCl

b)

MgCl2

c)

Mg2Cl

d)

Mg2Cl2

13.

What is the product of the synthesis reaction in which calcium combines with oxygen?

a)

CaO

b)

CaO2

c)

Ca2O

d)

Ca2O2

14.

What is the product of the synthesis reaction in which aluminum combines with oxygen?

a)

AlO

b)

AlO2

c)

Al2O

d)

Al2O3

15.

What is the product of the synthesis reaction in which iron combines with sulfur?

a)

FeS

b)

FeS2

c)

Fe2S

d)

Fe2S3