Assertion :A mixture ammonium chloride and sand can be separated using sublimation. Reason: Ammonium chloride on heating coverts from solid to gas directly.

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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If assertion is incorrect but Reason is correct.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Sublimation is change in physical state directly from solid to gas.Ammonium chloride is a sublimable compound which converts directly from solid to gas.so,ammonium chloride can be separated from sand using sublimation.

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