What products are formed when $1 \ mol$ of calcium phosphide reacts with an excess of water?

What is the nature of metal nitrates?

$A$ red coloured mixed oxide $(X)$ on treatment with conc. $HNO_3$ gives a compound $(Y).$ $(Y)$ with $HCl$ produces a chloride compound $(Z)$ which can also be produced by treating $(X)$ with conc. $HCl.$ Compounds $(X),$ $(Y),$ and $(Z)$ will be

What are the products formed when $AgNO_3$ is heated strongly?

Which of the following is not true about potash alum?

Which of the following is an $\text{Incorrect}$ statement?