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.