(a) List in a tabular form any three chemical properties on the basis of which metals
and non-metals are differentiated.
(b) State two ways to prevent the rusting of iron.
(a) List in a tabular form any three chemical properties on the basis of which metals
and non-metals are differentiated.
(b) State two ways to prevent the rusting of iron.
Answers (1)
(a)
Metals
Non-metals
They are electropositive,
They make ionic compounds
Generally, metal oxides are basic in nature
They displace Hydrogen from
They are electronegative
They make covalent compounds
Generally, non-metals are acidic in nature
Non-metals do not react with dilute
(b)
By painting, oiling or greasing surface of the metal.