Why is ore ground before froth flotation?
ACreate a chemical flux
BOxidize the sulfide ore
CFree mineral from gangue
DEvaporate metal from ore
Answer & Solution
Correct answer: C. Free mineral from gangue
Grinding helps free individual mineral particles from the gangue.
Keep practising Metallurgy
Browse all Metallurgy questions for ICSE Class 10, or explore more Chemistry topics.
Related questions
Which metal is used in aluminothermic reduction of some metal oxides?What is the role of electrorefining in copper production?After copper smelting, what product can undergo electrorefining?Which substance is identified as a collector for galena flotation?What do air bubbles do in a flotation cell?What is a complex ore?In a smelting furnace, which layer floats over the heavier matte?Where is the valuable sulfide found in smelting?