Помогите пж!!!!!!!!!!!!!!!!!!!!

Question

Помогите пж!!!!!!!!!!!!!!!!!!!!

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Answer 1

Zn+H2SO4=ZnSO4+H2
CaO+CO2=CaCO3
CaO+2HNO3=Ca(NO3)2+H2O
Ba+Cl2=BaCl2
2Al+3Cl2=2AlCl3

Answer 2

Zn+H2SO4=ZnSO4+H2 -газ
CaO+CO2=CaCO3-осадок
CaO+2HNO3=Ca(NO3)2+H2O
Ba+2HCl=BaCl2+H2-газ
2Al+6HCl=2AlCl3+3H2-газ