中学常见的有
铝:
2Al+2NaOH +2H2O ==2NaAlO2 +3H2
或2Al +2NaOH +6H2O ==2Na[Al(OH)4] +3H2
硅:
Si+2NaOH +H2O ==Na2SiO3 +2H2
中学练习题偶尔出现的有
铍:
Be +2NaOH ==Na2BeO2 +H2
或Be +2NaOH + 2H2O ==Na2[Be(OH)4] +H2