A soluble compound of a poisonous element M, when heated with Zn//H_(2 – InterviewSolution

1.	A soluble compound of a poisonous element M, when heated with Zn//H_(2)SO_(4) gives a colourless and extermely poisonous gaseous compound N, which on passing through a heated blue gives a silvery mirror of element M. Identify M and N.
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