а) 2HCl+Zn→H2+ZnCl2
H2+CuO→Cu+H2O
б)H2SO4+Zn→H2+ZnSO4
2H2+O2→2H2O
H2+Cl2→2HCl
2HCl+Zn→H2+ZnCl2
H2SO4+Zn→H2+ZnSO4
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Answers & Comments
а) 2HCl+Zn→H2+ZnCl2
H2+CuO→Cu+H2O
б)H2SO4+Zn→H2+ZnSO4
2H2+O2→2H2O
H2+Cl2→2HCl
2HCl+Zn→H2+ZnCl2
H2SO4+Zn→H2+ZnSO4
2H2+O2→2H2O