Odpowiedź:
1. CaO+ H3PO4 ---> Ca3(PO4)2 + H2O
2.CaO + H2CO3 ----> CaCO3 + H2O
3. CaO + SO3 ----> CaSO4
4. CaO + H2SO4 -> CaSO4 + H2O
5. CaO+ H2S---> CaS + H2O
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Odpowiedź:
1. CaO+ H3PO4 ---> Ca3(PO4)2 + H2O
2.CaO + H2CO3 ----> CaCO3 + H2O
3. CaO + SO3 ----> CaSO4
4. CaO + H2SO4 -> CaSO4 + H2O
5. CaO+ H2S---> CaS + H2O