1.

Which of the following is malachile?A. `Cu_(2)S`B. `CuFeS_(2)`C. `Cu(CH)_(2) ,2CaCO_(3)`D. `Cu(OH)_(2) CaCO_(2)`

Answer» Correct Answer - d
Malachite (green) is a basic copper carbonate its copposition is `CaCO_(2), CaOH)_(2)` Arurite (blue) is mother example of basic copper carbonate , its composition is `2CaCO_(2)Ca (OH)_(2)` Malachine and strite are used respectively as green and blue pigments copper is meainly extercted from copper pyoles `CaFeS_(2)`
THe term fools gold is used for copper pyrites which like gold


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