who is from Uttar Pradesh (India)
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Mai bhai ram ram///Banaras se
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The answer is :
A. Hydrolic washing will be done because there is a difference in density of gangue and ore particles. The gangue particles would get washed away and heavy ore will settle down.
B.For CuSO4, roasting method will be used because these ores exist in the form of their oxides and sulphides.
Explanation:
sry ! but I am from Madhya Pradesh !
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