Assertion :Glass belongs to the category of ionic solid. Reason: Glass is supercooled liquid.

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 D Assertion is incorrect but Reason is correct
Glass is an amorphous solid whereas ionic solids are crystalline solids. Hence, glass cannot belong to ionic solids. Glass is super cooled liquid with increase of temperature, it gradually softens, becomes less viscous and melt over a range of temperature. Hence, assertion is incorrect but reason is correct.

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Choose the correct option.

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