1. 2Al + 3Cl2 = 2AlCl3AlCl3 + 3NaOH = Al(OH)3 + 3NaCl2Al(OH)3 (t)= Al2O3 + 3H2OAl2O3 + 3H2SO4 = Al2(SO4)3 + 3H2OAl2(SO4)3 (580°)= Al2O3 + 3SO32. 5Zn + 12HNO3 = 5Zn(NO3)2 + N2 + 6H2OZn(NO3)2 + 2NaOH = Zn(OH)2 + 2NaNO3Zn(OH)2 (t)= ZnO + H2OZnO + 2HCl = ZnCl2 + H2OZnCl2 + 2AgNO3 = Zn(NO3)2 + 2AgCl3. Cu + 4HNO3 = Cu(NO3)2 + 2NO2 + 2H2OCu(NO3)2 + 2NaOH = Cu(OH)2 + 2NaNO3Cu(OH)2 + 2HCl = CuCl2 + 2H2OCuCl2 + 2NaOH = Cu(OH)2 + 2NaCl4. Fe + H2SO4 = FeSO4 + H2FeSO4 + 2NaOH = Fe(OH)2 + Na2SO44Fe(OH)2 + O2 + 2H2O = 4Fe(OH)32Fe(OH)3 (t)= Fe2O3 + 3H2OFe2O3 + 3H2 = 2Fe + 3H2O2Fe + 3Cl2 = 2FeCl3