(a) State two differences in the chemical properties of metals and non-metals.
(b) List two general methods of extract metals from their ores.
Explanation
(a) Two differences in the chemical properties of metals and non-metals Metals Non-Metals
| Metals | Non-Metals |
|
1. it can form basic oxides 2. It can form electrovalent compounds |
1. It can form acidic oxides 2. It can form covalent compounds |
(b) Two general methods of extracting metals from their ores are:-
(i) Reduction by electrolysis and
(ii) By reduction with carbon II oxide.