A brown coloured mixture of two gases is obtained by the reduction of – InterviewSolution

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1.	A brown coloured mixture of two gases is obtained by the reduction of 6N nitric acid with metallic copper. Condeness to a blue liquid which on freezing at -30^(@)C gives a blue solid. The correct choice for blue liquid or solid is .
Answer» It is referred to as the anhydride of nitrous acid It is an acidic OXIDE and hence dissolves in alaklies producing nitries. It can ALSO be PREPARED by the action of `50% HNO_(3)` on arsenious oxide and then cooling to 250 K. All of these Answer :D

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