JEE Main20199 Jan 2019Morning ShiftChemistryGeneral Principles and Processes of Isolation of MetalsActual
The ore that contains both iron and copper is:
Options
- AAzurite
- BMalachite
- CDolomite
- DCopper pyrites
Correct answer
D. Copper pyrites
Step-by-step solution
Azurite - 2 C u C O 3 . C u O H 2 Dolomite - C a C O 3 .   M g C O 3 , Malachite -   C u C O 3 . C u ( O H ) 2 Copper pyrites - C u F e S 2 , So both copper and Iron are present in copper pyrite.