Assertion :Metals have the quality of reflecting light from their surface and can be polished. Reason: Non-metals are not usually lustrous.

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Metals have the quality of reflecting light from their surface and can be polished $e . g .$ , gold, silver, and copper.
Non-metals are usually not lustrous, except iodine and diamond - the most lustrous of all the substances.
But the reason is not the correct explanation of assertion.
Hence, option $B$ is correct.

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