Which of the following metals is not a mineral? , Which of the following metals is not a mineral?

Solution

B. Gypsum

Explanation

Among the following metals, Gypsum is termed as a non-metallic mineral. It is a soft sulphate mineral composed of calcium sulphate dihydrate, with the chemical formula CaSO₄·2H₂O. It is used as a fertilizer, and as the main constituent in many forms of plaster, blackboard chalk and wallboard.