Which of the following reaction (s) occur during calcination?
Chemistry · JEE Advanced · NTA Exams — General Principles and Processes of Isolation of Elements
Which of the following reaction (s) occur during calcination?
- CaCO3 → CaO + CO2
- 4FeS2 + 11O2 → 2Fe2O3 + 8SO2
- 2Al (OH)3 → Al2O3 + 3H2O
- CuS + CuSO4 → 2Cu + 2SO2
Answer
(A) CaCO 3 → CaO + CO 2, (C) 2Al (OH) 3 → Al 2 O 3 + 3H 2 O
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