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Chemical Effects of Electric Current

Total questions: 10

Worksheet time: 20mins

Name
Class
Date
1.

The process of depositing a layer of any desired metal on another material by means of electricity is called

a)

Electrolyis

b)

Electric current

c)

Electroplating

d)

Electromagnetism

2.

What is the full form for CFL

a)

Combustible fluoride lamp

b)

Compact fluoride lamp

c)

Combustible fluorescent lamp

d)

Compact fluorescent lamp

3.

The metal rods or plates through which the current enters or leaves the conducting solution are called

a)

electrodes

b)

electrolytes

c)

ions

d)

conductors

4.

Adding common salt to distilled water makes it

a)

Good Conductor

b)

Poor Conductor

c)

No change

d)

Both A and B

5.

Which one of the following solutions will not conduct electricity?

a)

lemon juice

b)

vinegar

c)

tap water

d)

vegetable oil

6.

the method of purification of metals by using electricity is known as

a)

electroplating

b)

electrorefining

c)

electrometal

d)

none of these

7.

Select the poor conductors of electricity

a)

Honey

b)

Plastic

c)

Vinegar

d)

Distilled Water

8.

Electroplating prevents

a)

electric current

b)

chemical effect

c)

lightening

d)

rusting

9.

LED stands for

a)

light emitting diode

b)

light efficient diode

c)

length emitting diode

d)

light emitting device

10.

Find the odd one out

a)

Distilled water

b)

Vegetable oil

c)

Milk

d)

Honey