Ca(OH) 2> из H2O>H2SO4>H2>CH4>CH3CL>C2H6>CH3OH
CaO + H2O = Ca(OH)2 H2O + SO3 = H2SO4 2H2 + O2 = 2H2O 2H2 + C = CH4 CH4 + Cl2 = CH3Cl + HCl 2CH3Cl + 2Na = 2NaCl + C2H6 CH3Cl + NaOH = CH3OH + NaCl