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Nitrogen is p...

Question

Nitrogen is prepared by heating

A

a mixture of CuO and $N H_{3}$

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B

Barium azide

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C

a mixture of $N H_{4} C l$ and $N a N O_{3}$

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D

Hydrolysis of aqueous $N C l_{3}$ solution

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Solution

The correct option is A
a mixture of CuO and $N H_{3}$

$3 C u O + 2 N H_{3} \to N_{2} + 3 C u + 3 H_{2} O$

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