Q21Multiple correct
Which of the following reactions occur during calcination?
- (i)CaCO3 → CaO + CO2
- (ii)2FeS2 + O → Fe2O3 + 4SO2 2 2
- (iii)Al2O3.x H2O → Al2O3 + x H2O
- (iv)ZnS + O → ZnO + SO2 2 2
Show answer
(i) CaCO3 → CaO + CO2
(iii) Al2O3.x H2O → Al2O3 + x H2O