CuCl2+2NaOH=2NaCl+Cu(OH)2<span>↓</span>
1)3Al+2S=Al2S32)C+2H2=CH43)6KOH+3Cl2=5KCl+KClO3+3H2O4)AlCl3+3AgNO3=3AgCl+Al(NO3)310S + 40HNO3 = 40NO2 + 10H2SO4 + H20