某校研究性学习小组设计如下装置来验证浓硫酸与木炭在加热条件下的产物中含有so2和co2.同学们查阅资料得知二氧化硫可使酸性高锰酸钾溶液褪色 Template




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tomski某校研究性学习小组设计如下装置来验证浓硫酸与木炭在加热条件下的产物中含有so2和co2.同学们查阅资料得知二氧化硫可使酸性高锰酸钾溶液褪色 coloring