Mining Paper 2 May/June 2022

Question 7

 

Write the chemical formulae of the following minerals:

Observation

This question was well attempted by the candidates and many of them scored
 high marks. 

The answers they gave included:

  • Quartz;
  • Calcite;
  • Galena;
  • Haematite.

 

  • Quartz – SiO2
  • Calcite – CaCO3
  • Galena – PbS
  • Haematite – Fe2O3