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Alloy

Assertion:- A...

Question

Assertion:- An alloy of gold with copper or silver is used to make ornaments.

Reason:- Pure gold is soft due to which it cannot be not used to make ornaments.

A

Assertion:- False

Reason:- False

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B

Assertion:- True

Reason:- True

Reason is the correct explanation of assertion

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C

Assertion:- True

Reason:- False

Reason is not the correct explanation of assertion

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D

Assertion:- False

Reason:- True

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Solution

The correct option is B
Assertion:- True

Reason:- True

Reason is the correct explanation of assertion

- Pure gold (also called 24-carat gold) is not used to make ornaments because pure gold is too soft and malleable that it cannot retain the desired shape.
- 22 carat gold is called ornamental gold in which contains 22 parts of gold is alloyed with 2 parts of copper or silver.
- Alloying increases the strength and makes gold suitable for making ornaments.

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Assertion:- An alloy of gold with copper or silver is used to make ornaments.

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