___________is very corrosive and hence dangerous to handle as they burn and stain the skin.

Hydrogen combines with other non-metallic elements to form___________.

The action of water on non-metallic oxides gives___________

Molecules of acids which completely split up in water and produce a large concentration of hydronium ion and the corresponding negative radicals are called___________.

Sulphuric acid (concentrated) is able to displace___________from sodium nitrate(NaNO₃).

The action of water on sulphurdioxide gives____________.

The neutral compound formed when acids and bases react together is called a_________.

Substances which turns blue litmus to red litmus have__________taste.