Chapter 2: Electrochemistry Chemistry Mcqs for High School - Grade 9

1.

The process in which substance gains electrons is called

A. oxidation

B. hydrogenation

C. sublimation

D. reduction

Answer & Solution Discuss in Board

2.

On an industrial scale, sodium metal is prepared by electrolysis of fused

A. NaOH

B. NaCl

C. NaO

D. NH3

Answer & Solution Discuss in Board

3.

Corrosion can be prevented by

A. Alloying

B. Tinning

C. Galvanizing

D. all of above

Answer & Solution Discuss in Board

4.

The electrolyte used for tin plating is

A. sulphide ore

B. stannous sulphate

C. hydrogen sulphate

D. sodium chloride

Answer & Solution Discuss in Board

5.

An electrolytic cell uses electrical energy to drive

A. chemical reaction

B. physical reaction

C. no reaction

D. biochemical reaction

Answer & Solution Discuss in Board

6.

Loss of hydrogen atoms by an element is called

A. hydrogenation

B. oxidation

C. reduction

D. sublimation

Answer & Solution Discuss in Board

7.

The elements whose oxidation number is increased are

A. reduced

B. hydrogenated

C. oxidized

D. oxygenated

Answer & Solution Discuss in Board

8.

The oxidation state of group IIIA metals is

A. -3

B. 3

C. 0

D. 1

Answer & Solution Discuss in Board

9.

In a dry cell, the anode is made up of

A. zinc

B. calcium

C. sodium

D. graphite

Answer & Solution Discuss in Board

10.

An electrochemical cell is also called

A. battery cell

B. galvanic cell

C. cell

D. chargeable cell

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 2: Electrochemistry Chemistry Mcqs for High School - Grade 9

1. The process in which substance gains electrons is called

Answer & Solution

2. On an industrial scale, sodium metal is prepared by electrolysis of fused

Answer & Solution

3. Corrosion can be prevented by

Answer & Solution

4. The electrolyte used for tin plating is

Answer & Solution

5. An electrolytic cell uses electrical energy to drive

Answer & Solution

6. Loss of hydrogen atoms by an element is called

Answer & Solution

7. The elements whose oxidation number is increased are

Answer & Solution

8. The oxidation state of group IIIA metals is

Answer & Solution

9. In a dry cell, the anode is made up of

Answer & Solution

10. An electrochemical cell is also called

Answer & Solution

Read More Section(Chemistry Mcqs)

1.

The process in which substance gains electrons is called

2.

On an industrial scale, sodium metal is prepared by electrolysis of fused

3.

Corrosion can be prevented by

4.

The electrolyte used for tin plating is

5.

An electrolytic cell uses electrical energy to drive

6.

Loss of hydrogen atoms by an element is called

7.

The elements whose oxidation number is increased are

8.

The oxidation state of group IIIA metals is

9.

In a dry cell, the anode is made up of

10.

An electrochemical cell is also called