1.

Among the following statements, the incorrect one is [IIT 1997]

A. Calamine and siderite are carbonates
B. Argentite and cuprite are oxides
C. Zinc blende and pyrites are sulphides
D. Malachite and azurite are ores of copper
Answer» C. Zinc blende and pyrites are sulphides


Discussion

No Comment Found

Related MCQs