Q. Among the following statements, the incorrect one is

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

(c)
Cuprite $(Cu_{2}O)$ is oxide but argentite $(Ag_{2}S)$ is not oxide

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.