求高中化学公式整理

3C + SiO2 === SiC + 2CO二、金属单质(Na,Mg,Al,Fe)的还原性2Na + H2 === 2NaH4Na + O2 === 2Na2O2Na2O + O2 === 2Na2O22Na + O2 === Na2O22Na + S === Na2S(爆炸)2Na + 2H2O === 2NaOH + H22Na + 2NH3 === 2NaNH2 + H24Na + TiCl4(熔融) === 4NaCl + TiMg + ...