Consider the following statements . Roasting is carried out to `:` `(i)` convert sulphide to
Channel: Doubtnut
Date: 2020-01-26

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.