Chemical Effects of Electric Current-Electroplating (CBSE Class-8 Science): Questions 1 - 5 of 5

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Question number: 1

» Chemical Effects of Electric Current » Electroplating » Circuit for Electroplating

MCQ▾

Question

Chromium plating is found on:

Choices

Choice (4) Response
a.

Car bumpers bicycle handlebars

b.

Bath tapes

c.

Towel rails

d. All a. , b. and c. are correct

Question number: 2

» Chemical Effects of Electric Current » Electroplating » Process of Electroplating

MCQ▾

Question

Deposition of a metal over another metallic object is called as:

Choices

Choice (4) Response
a.

Electrolysis

b.

Electroplating

c.

Electrodes

d. All of the above

Question number: 3

» Chemical Effects of Electric Current » Electroplating » Circuit for Electroplating

MCQ▾

Question

Why tin cans are used for storing food items:

Choices

Choice (4) Response
a.

Because tin is less reactive as compared to iron

b.

Because tin is more reactive as compared to iron

c.

It is a good conductor

d.

It is a good insulator

Question number: 4

» Chemical Effects of Electric Current » Electroplating » Circuit for Electroplating

MCQ▾

Question

Galvanisation is defined as:

Choices

Choice (4) Response
a.

Plating of Zinc on to iron

b.

Plating of silver on cutlery

c.

Plating of tin on iron

d. All of the above

Question number: 5

» Chemical Effects of Electric Current » Electroplating » Circuit for Electroplating

MCQ▾

Question

EPNS is:

Choices

Choice (4) Response
a.

Hallmark

b.

It’s a sign for electroplated nickel

c. Both a. and b. are correct
d. None of the above

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