进行化学实验必须注意实验安全下列说法错误的是a实验剩余的药品不能放回原瓶也不能随便丢弃b不慎将浓碱液沾到皮肤上要立即用大量水冲洗 Template




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tomski进行化学实验必须注意实验安全下列说法错误的是a实验剩余的药品不能放回原瓶也不能随便丢弃b不慎将浓碱液沾到皮肤上要立即用大量水冲洗 coloring