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:

Answer»

(i),(ii) and (III) are correct
(i) and (iv) are correct
(i),(ii) and (iv) are correct
(ii),(iii) and (iv) are correct

Solution :Melting of ore is performed in BLAST FURNACE during smelting


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