Roasting is carried out to :

Consider the following statements : Roasting is carried out to : 1. Convert sulphide into oxide 2. Melt the ore 3. Remove moisture, water of hydration and expel organic matter 4. Remove sulphur and arsenic in the form of volatile oxides Out of these statements :

Consider the following statements : Roasting is carried out to : 1. Convert sulphide into oxide 2. Melt the ore 3. Remove moisture, water of hydration and expel organic matter 4. Remove sulphur and arsenic in the form of volatile oxides Out of these statements :

Consider the following statements . Roasting is carried out to : (i) convert sulphide to oxide and sulphate. (ii) to remove impurities of CuS and FeS present in the ore of tin stone (SnO_(2)) as CuSO_(4) and FeSO_(4) . (iii) melt the ore. (iv) remove arsenic and sulphur impurities. of these statements.

Consider the following statements : Roasting is carried out to 1. convert sulphide to oxide and sulphate 2. remove water of hydration 3. melt the ore 4. remove arsenic and sulphur impurities Of these statements

Roosting is carried out to

Roasting is carried out in

Roasting is carried out in case of: