A colourless crystalline salt, on being heated, gives a coloured gas w – InterviewSolution

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1.	A colourless crystalline salt, on being heated, gives a coloured gas with a pungent smell. On being passed through an AgNO_(3) solution, this gas forms a white precipitate insoluble in HNO_(3) but readily soluble in an NH_(3) solution. Which of the following reaction can lead to the above observation?
Answer» `MgCl_(2)+H_(2)O to Mg(OH)Cl+HCl` `(NH_(4))_(2)CO_(3) to 2NH_(3)+CO_(2)+H_(2)O` `ZnSO_(3) to ZnO+SO_(2)` `NaNH_(4)HPO_(4) to NaPO_(3)+NH_(3)+H_(2)O` ANSWER :A

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