Please explain the solution in detail.
Q5. An orange solid (X) on heating, gives a colourless gas (Y) and a only green residue (Z). Gas (Y) on treatment Mg, produces a white solid substance.....
(A) Mg3N2 (B) MgO (C) Mg2O3 (D) MgCl2
Kindly refer to the following links:
https://www.meritnation.com/ask-answer/question/why-does-nitric-acid-change-its-colour-from-colorless-to/chemistry/3335986
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https://www.meritnation.com/ask-answer/question/why-does-nitric-acid-change-its-colour-from-colorless-to/chemistry/3335986
Kindly post remaining query in next thread.