197) The slag obtained during the extraction of copper from copper pyrites is composed mainly of:
Answer is:
FeSiO3
Related Inorganic Chemistry MCQ with Answers
Answer is:
Gold
Explanation:
Au, Ag and Pt are called noble metals. They are unreactive and found in free state.
Answer is:
Their surface is not easily wet by water
Explanation:
Ore particles are wet by oil. Hence, they float on the surface.