Chemistry, 18.08.2020 14:01 reetajmahfouz3816
2 One major ore of copper is copper pyrite, CuFeS2.To extract
copper from the ore, the ore is crushed, then undergoes froth
floatation and finally roasted in the air. The metal is then
purified by electrolysis.
(a) Explain why:-
The copper ore has to undergo froth-floatation
The copper ore is roasted in air
(b) Write a balanced chemical equation for the reaction that
occurs when copper is roasted.
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Answers: 3
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2 One major ore of copper is copper pyrite, CuFeS2.To extract
copper from the ore, the ore is crush...
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