1.

Which of the following is a sulphide ore ?

Answer»

CARNALLITE 
Magnetite 
COPPER pyrites 
Malachite 

Solution :Chemical formula for magnetite is `Fe_3O_4` malachite is `CuCO_3, CU(OH)_(2)` carnallite is `KCI CDOT MgCl_2 cdot6H_2O` and copper pyrites is `CuFeS_2`therefore copper pyrites is a sulphide ore.


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