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【简答题】
请根据以下装置图进行填空: (1)写出仪器①、②、③的名称: ; 。 (2)实验室某同学用高锰酸钾为原料制取氧气时,用 (填装置编号 )作发生装置,该反应的符号表为: ,若收集一瓶氧气,供硫在氧气中燃烧的实验使用,最好选用气体的收集装置中的 (填装置序号)。当用排水法收集氧气完毕后,最后两步操作若调换,造成的后果是 ,最后他还发现水槽内的红色,请你帮他分析一下原因是:___ _     _ ,实验室若用E装置收集氧气,检验氧气收满的方法是 。 (3)实验室用过氧化氢溶液制取氧气的装置组合可选 ,B装置中仪器②作用是便于随时添加液体反应物,为了防止生成的气体从②中逸出,必须使该仪器 。 (4)已知一氧化氮气体难溶于水,在空气中容易与氧气发生反应,则收集一氧化氮气体时用图中装置 (填字母序号)。
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