very urgent questions:;; please help

An orange solid A on heating gives a colourless gas B .The gas B in dry condition is passed over heated Ca to give a solid C.The solid C further reacts with water to produce gas D which forms a blue coloured compound E on reaction with copper sulphate solution.Identify A,B,C ,D and E and sequence of reactions involved.

Question

very urgent questions:;; please help

An orange solid A on heating gives a colourless gas B .The gas B in dry condition is passed over heated Ca to give a solid C.The solid C  further reacts with water to produce gas D which forms a blue coloured compound E on reaction with copper sulphate solution.Identify A,B,C ,D and E and sequence of reactions involved.

cwrw238 · Answer

ammonia forms a blue compound when reacted with copper sulphate solution

cwrw238 · Answer

so that might be gas D . Compound E would be tetraaminecopper sulphate.

cwrw238 · Answer

The solid C could be calcium nitride which reacts with water to form ammonia ( gas D).
working back the Gas B would be nitrogen.

dont know what solid A is.

sorry I cant be more definite

cwrw238 · Answer

long time since I studied chemistry

chmvijay · Answer

compound on heating liberates N2 mean is it nitride or what

cwrw238 · Answer

probably - i really dont know.

cwrw238 · Answer

cant see any message 
gotta go right now anyway