A mixture of which pair of species react with water to produce a pure colourless gas gives white fumes with HCl ?

A mixture of which pair of species react with water to produce a pure

1.	A mixture of which pair of species react with water to produce a pure colourless gas gives white fumes with HCl ?
Answer» Calcium hydride, calcium carbide Calcium carbine and aluminium nitride Magnesium nitride and calcium nitride Calcium phosphide and calcium cyanamida. Solution :Both `Ca_(3)N_(2)` and `Mg_(3)N_(2)` REACT with water to give ammonia. `M_(3)N_(2)+6H_(2)Oto3M(OH)_(3)+2NH_(3)`