Dry Cell and Lead Accumulator NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Dry Cell and Lead Accumulator MCQ Questions


1.
Dry cell is a type of
A.
Primary cell
B.
Secondary cell
C.
Fuel cell
D.
Reserve cell
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ANSWER :
A. Primary cell
2.

In dry cell, the electrolyte is

A.

Paste of NH4Cl and ZnCl2

B.

Dilute H2SO4

C.

KOH

D.

LiCl solution

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ANSWER :

A. Paste of NH4Cl and ZnCl2

3.
The anode in a dry cell is
A.
Copper
B.
Zinc
C.
Graphite
D.
Lead
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ANSWER :
B. Zinc
4.
In dry cell, the cathode is made of
A.
Zinc
B.
Graphite
C.
Copper
D.
Lead
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ANSWER :
B. Graphite
5.

The role of MnO2 in a dry cell is

A.

To act as electrolyte

B.

To act as reducing agent

C.

To act as depolarizer

D.

To act as oxidizing agent

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ANSWER :

C. To act as depolarizer

6.

The paste in dry cell is made by mixing

A.

NH4Cl with ZnCl2 and starch

B.

ZnSO4 and water

C.

CaCl2 and H2O

D.

NaCl with NH4OH

😑 View Answer Rough Work Error
ANSWER :

A. NH4Cl with ZnCl2 and starch