Question

The one that is not a carbonate is :

• A. bauxite
• B. siderite
• C. calamine
• D. malachite

Answer 1

Answer: (A)

1. Bauxite- $Al{O}_x(OH{)}_{3-2x}$ where $0<x<1$
2. Siderite $-FeC{O}_3$
3. Calamine $-ZnC{O}_3$
4. Malachite $-CuC{O}_3\cdot Cu(OH{)}_2$