Identify and name the process or method involved in each of the following metallurgical process :
a. A sulphide ore of a metal is converted to metal oxide by heating in excess of air.
b. The method used for concentration of zinc sulphide ore using water and pine oil.
c. A powdered ore is treated with certain reagent in which the ore is soluble due to chemical
reaction, but the gangue is not soluble.
d. The pure alumina obtained from bauxite ore is electrolyzed to obtain metallic aluminium.
e. Zinc carbonate is heated strongly in limited supply of air to convert it to oxide.
f. The method used for concentration of cassiterite, an ore of tin.
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Answer:a) roasting
B) froth floatation
C) leaching
D) electrolytic reduction
E) calcination
F) pyrometallurgical reduction
Explanation:
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