Match the column:
|
Metal |
Common method of extraction |
||
|
(i) |
Aluminium |
(a) |
Electrolysis of oxide dissolved in molten Cryolite |
|
(ii) |
Iron |
(b) |
Roasting followed by reduction with coke |
|
(iii) |
Copper |
(c) |
Roasting of sulphide partially and reduction |
|
(iv) |
Zinc |
(d) |
Reduction of the oxide with CO and coke in blast furnace |
1
(i) – (a), (ii) – (b), (iii) – (c), (iv) – (d)
2
(i) – (a), (ii) – (d), (iii) – (c), (iv) – (b)
3
(i) – (a), (ii) – (c), (iii) – (d), (iv) – (b)
4
(i) – (b), (ii) – (a), (iii) – (c), (iv) – (d)