Assertion :Zinc is used for galvanising iron. Reason: Rust is hydrated ferric oxide.

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
$\begin{matrix} Iron gets rusted when it is exposed to air and water at the same time. Alternatively, rust is hydrated ferric oxide. For the purpose of preventing rusting of iron, it is coated with Zinc and this process is called galvanisation. \end{matrix}$
Option B is correct answer

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