Упражнение 6!!!!!!!!!!!!!!

Question

Упражнение 6!!!!!!!!!!!!!!

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Answer 1

1)Ca+S=CaS
2)Ca+HCl(p)=CaCL
3)Ca+H2SO4(p)=CaSO4
4)2Ca+O2=2CaO
5)CaO+H2O=Ca(OH)2