2Fe + 6HCl = 3H₂ + 2FeCl₃
Ca + 2H₂O = Ca(OH)₂ + H₂
PbO₂ + H₂ = PbO + H₂O
Al₂O₃ + 3H₂ = 2Al + 3H₂O
1) 2Fe + 6HCl = 3H₂ + 2FeCl₃
2)Ca + 2H₂O = Ca(OH)₂ + H₂
3)PbO₂ + H₂ = PbO + H₂O
4)Al₂O₃ + 3H₂ = 2Al + 3H₂O
2Fe + 6HCl = 3H₂ + 2FeCl₃
Ca + 2H₂O = Ca(OH)₂ + H₂
PbO₂ + H₂ = PbO + H₂O
Al₂O₃ + 3H₂ = 2Al + 3H₂O
1) 2Fe + 6HCl = 3H₂ + 2FeCl₃
2)Ca + 2H₂O = Ca(OH)₂ + H₂
3)PbO₂ + H₂ = PbO + H₂O
4)Al₂O₃ + 3H₂ = 2Al + 3H₂O