How many tonnes of Bauxite is needed for the preparation of 1 tonne of Aluminium? |
|||
(a) |
2 to 4 tonnes |
(b) |
2 to 6 tonnes |
(c) |
4 to 6 tonnes |
(d) |
6 to 8 tonnes |
How many tonnes of Bauxite is needed for the preparation of 1 tonne of Aluminium? |
|||
(a) |
2 to 4 tonnes |
(b) |
2 to 6 tonnes |
(c) |
4 to 6 tonnes |
(d) |
6 to 8 tonnes |