第一学期必记化学方程式小测姓名_________学号_______1、过氧化氢在二氧化锰催化下分解__________________________________________2、加热高锰酸钾__________________________________________________________3、加热氯酸钾和二氧化锰制氧气____________________________________________4、镁在空气中燃烧________________________________________________________5、铁在氧气中燃烧________________________________________________________6、铜在空气中受热________________________________________________________7、磷在空气中燃烧________________________________________________________8、硫磺在空气中燃烧______________________________________________________9、锌粒与稀硫酸制氢气____________________________________________________10、氢气在空气中燃烧_____________________________________________________11、点燃不纯氢气爆炸_____________________________________________________12、水电解_______________________________________________________________