Concentration of Ore
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Q.
When the densities of the ore particles and gangue particles are different, then the ore is concentrated by
Q. What is winnowing? Where is it used?
Q.
Certain metallurgical processes for the extraction of a particular metal are mentioned below. Arrange them in proper order.
(A) Gravity separation
(B) Smelting
(C) Pulverization
(D) Distillation
(E) Roasting
ACEBD
CEADB
AECDB
CAEDB
