(a) State two differences in the chemical properties of metals and non-metals.
(b) List two general methods of extract metals from their ores.
(b) List two general methods of extract metals from their ores.
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Correct Answer: Option n
Explanation:
(a) Two differences in the chemical properties of metals and non-metals Metals Non-Metals
(b) Two general methods of extracting metals from their ores are:-
(i) Reduction by electrolysis and
(ii) By reduction with carbon II oxide.
(a) Two differences in the chemical properties of metals and non-metals Metals Non-Metals
| Metals | Non-Metals |
| 1. it can form basic oxides2. It can form electrovalent compounds | 1. It can form acidic oxides2. 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.