Question
Chemistry Question on Concentration of ores
The ore that contains both iron and copper is:
A
malachite
B
dolomite
C
azurite
D
copper pyrites
Answer
copper pyrites
Explanation
Solution
Copper pyrites : CuFeS2
Malachite : Cu(OH)2.CuCO3
Azurite Cu(OH)2.2CuCO3
Dolomite CaCO3.MgCO3