Q. ' Mohs scale ' is used to indicate the
A) degree of hardness of mineral
B) degree of brittleness of a substance
C) degree of elasticity of a material
D) degree of viscosity of a liquid
✔ Correct Answer: degree of hardness of mineral
Exam Insight
The Mohs scale is used to indicate the hardness of minerals, with talc as the softest (1) and diamond as the hardest (10).