MetallurgyMediumBloom L1

Question

When roasting is carried out :

(i) Sulphide ore is converted into oxide and sulphate

(ii) remove water of hydration

(iii) the ore melts (iv) arsenic and sulphur impurities are removed Of these statements:

Options

A.(i), (ii) and (iii) are correct
B.(i) and (iv) are correct
C.(i), (ii) and (iv) are correct
D.(ii), (iii) and (iv) are correct

Solution

Sol. Roasting is carried out for sulphite ores below its melting point in presence of excess of air.

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