1.

Consider the following statements: Roasting is carried out to: (i) convery sulphide to oxide and sulphate (ii) remove water of hydration (iii) melt the ore (iv) remove arsenic and sulphur impurities of these statements:A. (i),(ii) and (iii) are correctB. (i) and (iv) are correctC. (i),(ii) and (iv) are correctD. (ii),(iii) and (iv) are correct

Answer» Correct Answer - C
Melting of ore is performed in blast furnace during smelting


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