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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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In Dumas method for the estimation of

\mathrm{N}_{2}

, the sample is heated with copper oxide and the gas evolved is passed over

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Correct option: B

Copper gauze

Option B (Copper gauze) is correct because in the Dumas method, the evolved gases are passed over heated copper gauze to convert any nitrogen oxides back to nitrogen gas.

JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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