Assertion :At high temperatures the sodium sulphate or potasium sulphate formed, forms a crust and sticks to the glass apparatus. Reason: The non volatile residue of the metal sulphate remains in the vessel. The dissolved nitrogen oxides are removed at reduced pressure to give fuming nitric acid.

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
The non volatile residue of the metal sulphate remains in the vessel. The dissolved nitrogen oxides are removed at reduced pressure to give fuming nitric acid.

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