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

Concentrated sulphuric acid can displace____________from sodium chloride.

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

Hydrogen combines with iodine to form____________

_______________proposed that all acids contain hydrogen ions.

The action of water on carbondioxide gives___________.

The hydrogen ions attach themselves to the water molecule and form __________.

Hydrogen combines with other non-metallic elements to form___________.