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Basics of Electrochemistry

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Electrochemistry deals with the interrelationship between ---------- energy and chemical energy.

a)

mechanical

b)

electrical

c)

kinetic

d)

potential

2.

In metallic conductors, electrical conductivity is due to the movement of ---------

a)

metals

b)

protons

c)

neutrons

d)

electrons

3.

In electrolytic conductors, electrical conductivity is due to the movement of ------------.

a)

ions

b)

electrons

c)

metals

d)

protons

4.

In strong electrolytes, --------------- % dissociation of ions takesplace.

a)

50

b)

70

c)

80

d)

100

5.

In weak electrolytes, ------------- dissociation of ions takesplace.

a)

partial

b)

complete

c)

half

d)

25%

6.

In half cell, metal is dipped in to a solution of its -------- salt

a)

common

b)

rock salt

c)

Mohr's

d)

own

7.

-------------- cell converts electrical energy in to chemical energy.

a)

Voltaic

b)

Galvanic

c)

Electrolytic

d)

Electrochemical

8.

----------cell converts chemical energy in to electrical energy.

a)

Electrolytic

b)

Electrochemical

c)

primary

d)

Secondary

9.

An example of primary cell is -------------.

a)

Lead acid

b)

Ni-CAD

c)

Lithium

d)

Eveready

10.

In home UPS and in all transportation vehicles, ---------------- battery is used.

a)

primary

b)

Lead acid

c)

Ni-CAD

d)

Lithium ion