Question

A to F below relate to the source and extraction of either zinc or aluminium.

1. Bauxite
2. Coke
3. Cryolite
4. Froth floatation
5. Sodium hydroxide solution
6. Zinc blende

Write down the three letters each from the above list which are relevant to:

1. Zinc
2. Aluminium

Answer 1

1. B, D and F.
2. A, C and E.