Question

Assertion : For liquid dishwashing, nonionic detergents are used.
Reason : They remove grease and oil by micelle formation.

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• A. Both the assertion and reason are correct and reason is not the correct explanation for assertion.
• B. Both the assertion and reason are correct and reason is the correct explanation for assertion.
• C. Assertion is incorrect but reason is incorrect.
• D. Both Assertion and reason are incorrect.

Answer 1

The correct option is B Both the assertion and reason are correct and reason is the correct explanation for assertion.

Non-ionic detergents are used in dish washing liquids. Since the detergent does not have any ionic groups, it does not react with hard water ions but can remove grease and oil by micelle formation.
Hence, both Assertion and Reason are correct and Reason is the correct explanation for Assertion.