Chemical Effects of Electric Current-Electroplating [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 5 of 5

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Question 1

Question MCQ▾

Chromium plating is found on:

Choices

Choice (4)Response

a.

Towel rails

b.

Car bumpers bicycle handlebars

c.

Bath tapes

d.

All a., b. and c. are correct

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Question 2

Question MCQ▾

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

Choices

Choice (4)Response

a.

Electrodes

b.

Electroplating

c.

Electrolysis

d.

Question does not provide sufficient data or is vague

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Question 3

Question MCQ▾

Why tin cans are used for storing food items:

Choices

Choice (4)Response

a.

Because tin is more reactive as compared to iron

b.

Because tin is less reactive as compared to iron

c.

It is a good conductor

d.

It is a good insulator

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Question 4

Question MCQ▾

Galvanisation is defined as:

Choices

Choice (4)Response

a.

Plating of silver on cutlery

b.

Plating of Zinc on to iron

c.

Plating of tin on iron

d.

None of the above

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Question 5

Question MCQ▾

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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