Assertion :Sulphur means enemy of copper. Reason: Sulphur destroys the metallic properties of copper.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Sulphur corrodes copper by reacting with it to form copper sulphide. Copper loses it metallic properties as it changes into another compound.
$2 C u + S \to C u_{2} S$

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