1.

Choose the correct code regarding Roasting process. (I) It is the process of heating ore in air to obtain the oxide (II) It is an exothermic process (III) It is used for hydrated oxide and oxysalt ore (IV) It is used after the concentration of ore

Answer»

I, II and III
I, II and IV
I, III and IV
I, II, III and IV

Answer :B


Discussion

No Comment Found