Environment And Road Safety Education And Violence Against Women And Children And Drug Abuse 2021 Exam With Answers

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2.

On the Mho's scale of hardness which of the following is the softest?

A: Talc

B: Gypsum

C: Topaz

D: Diamond

The answer is: A

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Explanation

On the Mohs scale of hardness, the softest mineral is talc.

It has a hardness rating of 1 on the scale. Gypsum has a hardness of 2, topaz has a hardness of 8, and diamond has the highest hardness rating of 10. Therefore, option A, talc, is the correct answer as the softest mineral on the Mohs scale.