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Assertion : Zeolites are widely used as ...

Assertion : Zeolites are widely used as catalyst
Reason : They have closed network solid structure which enables then to take up other smaller molecules : A) if both assertion and reason are true and the reason is the correct explanation of the assertion B) if both assertion and reson are true but reason is not the correct explanation of the assertion. C) If assertion is true but reason is false. D) If the assertion and reason both are false.

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