Potassium nitrate is called

Which gas/gases evolve$(s)$ when sodium metal is reacted with water at room temperature?

Assertion : $KOH$ is more soluble in water than $NaOH$.
Reason : $NaOH$ is a stronger base than $KOH$.

What is the correct stability order of $KO_2$, $RbO_2$, and $CsO_2$?

Due to low ionization energy,alkali metals are...

An element $A$ of group $1$ shows similarity to an element $B$ belonging to group $2$. If $A$ has maximum hydration enthalpy in group $1$,then $B$ is: