Question

The ore that contains both iron and copper is ______.

Options

• copper pyrites 

• malachite 

• dolomite 

• azurite

Answer 1

The ore that contains both iron and copper is copper pyrites.

Explanation:

Amongst the given ores; copper pyrite (CuFeS₂), dolomite (MgCO₃ · CaCO₃), malachite [CuCO₃ · Cu(OH)₂] and azurite [2CuCO₃ ·Cu(OH)₂] only copper pyrite con tams both copper and iron.