Assertion :Refining of zinc is done by distillation under reduced pressure.
Reason: Zinc is a transition metal.

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
Refining of zinc is done by distillation under reduced pressure because zinc has a low boiling point.
It is true that Zinc is a transition metal because it is $d$ block element but that is not the correct reason for the assertion.
Hence, both assertion and reason are correct, but the reason is not the correct explanation of the assertion.

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