实验室利用下列实验装置制取氧气根据要求回答下列问题1在上图框中写出装置a中a和b的仪器名称.2写出装置a中反应的化学方程式 .3 Template




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tomski实验室利用下列实验装置制取氧气根据要求回答下列问题1在上图框中写出装置a中a和b的仪器名称.2写出装置a中反应的化学方程式 .3 coloring