Make a reaction equation: Ca → CaO → CaSO4 → CaO
August 12, 2021 | education
| 1) 2Ca + O2 → 2CaO;
2) CaO + H2SO4 → CaSO4↓ + H2O;
3) CaSO4↓ + BaO → BaSO4↓ + CaO.
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