Which of the following are non-metallic minerals?
A. Mica, Gypsum, Sulphur, Diamond
B. Coal, Uranium, Thorium, Mineral oil
C. Chromium, Manganese, Tungsten
D. Magnesium, Bauxite, Titanium.
Answer:A
Which of the following are non-metallic minerals?
A. Mica, Gypsum, Sulphur, Diamond B. Coal, Uranium, Thorium, Mineral oil C. Chromium, Manganese, Tungsten D. Magnesium, Bauxite, Titanium.