Assertion :Cryogenic gases are used in the transportation of large masses of frozen food. Reason: Cryogens like liquid nitrogen are used especially for chilling and freezing.

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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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
It is true that cryogenic gases are used in liquid form to transport frozen food. Frozen food does not spoil for longer duration and to maintain such a low temperature cryogenic gases like liquid nitrogen is used.

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