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Assertion : Magnesium is used to protect...

Assertion : Magnesium is used to protect steel from rusting .
Reason : Magnesium is more reactive than iron .

A

If both the assertion and the reason are true and the reason is the correct explanation of assertion.

B

If both the assertion and the reason are true and the reason is the correct explanation of assertion.

C

Assertion is true ,but the reason is false .

D

Assertion is false ,but the reason is true .

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