_____________ kg of CaC03 on heating will give 56 kg of CaO?
Correct answer: B. 100
- A. 56
- B. 100
- C. 144
- D. 1000
Explanation
The decomposition reaction is CaCO₃ → CaO + CO₂, with molar masses 100 and 56 respectively. Therefore, 100 kg of CaCO₃ produces 56 kg of CaO.
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