Sodium hypo phosphite is obtained by the action boiling  NaOH solution with

When copper metal is treated with dilute nitric acid it produces

The chemical formula of cryolite is

Which gas is obtained by the electrolysis of brine?

Which does not dissolve in concentrated nitric acid?

On heating  phosphoric acid  we get 

Nitrous oxide is

If the supply of oxygen is limited, H₂S reacts with O₂ to form

The geometry of SF₄ is otherwise called

When   excess Cl₂  is  added  to NH₃,  product  obtained  is