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Class 10 Science Medium Mcq English Medium

Converting sulphide ores into oxides by heating strongly in the presence of excess air is called

Question
Converting sulphide ores into oxides by heating strongly in the presence of excess air is called
Calcination
Roasting
Smelting
Refining
Answer
Roasting
Detailed Explanation
This process of heating sulphide ores strongly in excess air is called roasting.
Metals, in their pure state, generally have Science · Metals and Non-metals The shining nature of a freshly cut metal surface is called Science · Metals and Non-metals The ability of metals to be beaten into thin sheets is called Science · Metals and Non-metals The most malleable metals, according to the chapter, are Science · Metals and Non-metals

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