下列实验方案中设计不合理的是a.用mno2来区别水和过氧化氢溶液b.用过滤的方法将�浊的水变为澄清的水c.用燃烧木炭的方法制备纯净的二氧化碳 Template




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tomski下列实验方案中设计不合理的是a.用mno2来区别水和过氧化氢溶液b.用过滤的方法将�浊的水变为澄清的水c.用燃烧木炭的方法制备纯净的二氧化碳 coloring