1.

Which of the following ore is oxide ore ?

Answer»

Malachite 
Cuprite 
Calamine 
ZINC blende 

Solution :(A) Malachite : `CuCO_3, Cu(OH)_(2)`
(B) Cuprite : `Cu_(2)O …` oxide
(C ) Calamine : `ZnCO_3`
(D) Zinc blends : ZnS


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