Which of the following is the most important biological compound containing $Mg$ found in the living world?

$NaNO_3$ on heating gives which gas?

Among the nitrates of alkali metals,which one can be decomposed to its oxide on strong heating?

Why does lithium differ from other alkali metals?

Compound $A$ is prepared by the electrolysis of an aqueous solution of $B$ using a Castner-Kellner cell with mercury as the cathode and carbon as the anode. $A$ and $B$ respectively are:

Which of the following is not a product,when $RbO_2$ reacts with $H_2O$?