下列叙述正确的是 A.用氢氧化钠溶液清洗沾到皮肤上的苯酚b.用氨水清洗试管壁附着的银镜c.用过滤的方法可除去氯化钠溶液中的淀粉胶体d.用 Template




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tomski下列叙述正确的是 a.用氢氧化钠溶液清洗沾到皮肤上的苯酚b.用氨水清洗试管壁附着的银镜c.用过滤的方法可除去氯化钠溶液中的淀粉胶体d.用 coloring