Q. Corundum is an ore of:
Answer: aluminium
Notes: Corundum is a crystalline form of aluminium oxide typically containing traces of iron, titanium, vanadium and chromium.

• It is a rock-forming mineral.
• The main copper sulphide minerals are chalcopyrite, chalcocite, covellite, bornite, tetrahedrite and enargite.
• The most important ore mineral of silver is argentite (Ag2S, silver sulfide).
• The iron minerals that are at present used as ores are hematite, magnetite, limonite, and siderite

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 86 in Chemistry-6-Minerals and Ores in above course in App.