Assertion :Magnesium is extracted by electrolytic reduction.
Reason: All metals are extracted by electrolytic reduction.

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 C Assertion is correct but Reason is incorrect
Magnesium is extracted by electrolytic reduction because it is present in the form of oxide and we have to reduce it. So, an electrolytic reduction method is preferred.
Also, there are various methods of extracting metals. For example, distillation, froth flotation, reduction etc.
Hence, the assertion is correct, but the reason is incorrect.

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