Which of the following elements shows a high tendency to form peroxide?

$BeCl_2$ reacts with $LiAlH_4$ to give ....

Give the name of group-$2$ elements.

Among the fluorides of group $2$ elements,which is maximum soluble in water and has the minimum melting point,respectively?

As the alkaline earth metals (except $Be$) tend to lose their valence electrons readily,they act as:

The metal $X$ is prepared by the electrolysis of fused chloride. It reacts with hydrogen to form a colourless solid from which hydrogen gas is released on treatment with water. The metal is