Please write down the chemical reaction equation (1) Iron and dilute hydrochloric acid____________________________________________ . (2) Aluminum and dilute sulfuric acid____________________________________________ . (3) Magnesium and dilute hydrochloric acid____________________________________________ . (4) Zinc and dilute sulfuric acid____________________________________________ .

Please write down the chemical reaction equation (1) Iron and dilute hydrochloric acid____________________________________________ . (2) Aluminum and dilute sulfuric acid____________________________________________ . (3) Magnesium and dilute hydrochloric acid____________________________________________ . (4) Zinc and dilute sulfuric acid____________________________________________ .


Iron and dilute hydrochloric acid Fe + 2HCl = = = FeCl2 + H2 ↑
Aluminum and dilute sulfuric acid 2Al + 3h2so4 = Al2 (SO4) 3 + 3h2 ↑
Magnesium and dilute hydrochloric acid Mg + 2HCl = = = MgCl2 + H2 ↑
Zinc and dilute sulfuric acid Zn + H2SO4 = ZnSO4 + H2 ↑