Nitrates of all metals are:

Which of the following pairs of atomic numbers represents elements belonging to the $s$-block?

$A$ mixture of sodium oxide and calcium oxide is dissolved in water and saturated with excess carbon dioxide gas. The resulting solution is ...... It contains ......... :

Which of the following orders is correct?

What is the mixture of $MgCl_2$ and $MgO$ called?

Soda lime is made from