Write the reaction equation: Ca → CaO → Ca (OH) 2 → CaSO4
| March 11, 2021 | education
1) 2Ca + O2 → 2CaO (compound reaction; calcium, oxygen, calcium oxide);
2) CaO + H2O → Ca (OH) 2 ↓ (compound reaction; calcium oxide, water, calcium hydroxide);
3) Ca (OH) 2 + H2SO4 → CaSO4 ↓ + 2H2O (exchange reaction; calcium hydroxyl, sulfuric acid, calcium sulfate, water).
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