Zn, Al, CaO, Fe2O3, NaOH, Al(OH)3, CaCO3,
1) Zn + 2HCl = ZnCl2 + H2
2) 2Al + 6HCl = 2AlCl3 + 3H2
3) CaO + 2HCl= CaCl2 + H2O
4) Fe2O3 + 6HCl = 2FeCl3 + 3H2O
5) NaOH + HCl = NaCl + H2O
6) Al(OH)3 + 3HCl = AlCl3 + 3H2O
7) CaCO3 + 2HCl = CaCl2 + CO2 +H2O
Zn, Al, CaO, Fe2O3, NaOH, Al(OH)3, CaCO3,
1) Zn + 2HCl = ZnCl2 + H2
2) 2Al + 6HCl = 2AlCl3 + 3H2
3) CaO + 2HCl= CaCl2 + H2O
4) Fe2O3 + 6HCl = 2FeCl3 + 3H2O
5) NaOH + HCl = NaCl + H2O
6) Al(OH)3 + 3HCl = AlCl3 + 3H2O
7) CaCO3 + 2HCl = CaCl2 + CO2 +H2O