Assertion :Sugar is a pure substance. Reason: Pure substances are the substances which have fixed composition and does not contain any impurities.

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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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Pure substances are substances that have fixed composition and does not contain any impurities. Since the chemical composition of sugar is definite and does not contain any impurities, hence it is a pure substance.
Option A is correct.

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