which method of concentration of ore is preferred in the following cases and why. a) the or has high density particles mixed with a large bulk of low density particles.
b) the ore consists of copper sulphide intermixed with a clay particles.
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A) Hydrolic washing will be done bcz there is a difference between in density of gangue and ire particles would get washed away and heavy ore will settle down.
B) For CuSO4, roasting method will be used bcz these ores exist in the form of their oxides and sulphides.
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