Liquid ammonia is used in refrigeration because of its

Hydrogen readily combines with non-metals and thus it shows its

Which one of the following methods is used to prepare carbon monoxide on a commercial scale?

In the following reaction,assign the state for the underlined atom in the product of complete hydrolysis at $R.T.$:
$\underline{B}_2H_6 + H_2O \longrightarrow H_3BO_3 + H_2 \uparrow$

Among $CaH_2$,$NH_3$,$NaH$,and $B_2H_6$,which are covalent hydrides?

The oxide which is not reduced by hydrogen is