Assertion :Acrylic fabrics are also known as orlon and Acrilan fabrics. Reason: It is used in making sweaters, socks and shawls.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct, but Reason is not the correct explanation for Assertion.

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Assertion is correct, but Reason is incorrect.

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Assertion is incorrect, but Reason is correct.

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Solution

The correct option is B Both Assertion and Reason are correct, but Reason is not the correct explanation for Assertion.
Acrylic fabrics are also known as Acrilan fabrics. It is used as a substitute for wool. So the assertion is a $correct$ .
Acrilan fabrics are used for making various warm clothes such as sweaters, bathing suits, socks, shawls, etc. This is also a correct statement but it is not the proper explanation for assertion.

Therefore, option $B$ is correct.

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