Q: What is the name of the process that converts sulphide ores into oxides by heating strongly in the presence of excess air?
(a)Calcination
(b)Roasting
(c)Smelting
(d)Incineration
Correct Answer: (b)
The correct answer is (b) 'भंजन (रॉस्टिंग)'. This question from the General Studies domain tests knowledge of Miscellaneous.