Assertion :Metals of high impurity are obtained by zone-refining. Reason: Impurities in the ore are more soluble in the metal than in the pure metal.

Choose the correct option.

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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Assertion is incorrect but Reason is correct

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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 of high impurity are obtained by zone-refining.
Zone refining is based on the difference in solubility of impurities in molten and solid state of the metal.
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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