The metal which reacts with water at room temperature is

$Sodium$ metal is highly reactive and cannot be stored under:

What is zeolite among the following?

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 metal element is not solid at room temperature?

$Na + Al_2O_3$ $\xrightarrow{\text{High temperature}} X$ $\xrightarrow[\text{water}]{CO_2} Y$; compound $Y$ is