1.

Assertion : Charcoal is used in separation of noble gases. Reason : Charcoal has porous structure.

A. If both assertion and reason are true and reason is the correct explana of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.
Answer» B. If both assertion and reason are true but reason is not the correct explanation of assertion.


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