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下列事实不能用勒夏特列原理解释的是

A.打开汽水瓶时,有大量气泡溢出 
B.在配制硫酸亚铁溶液时往往要加入一定量铁粉
C.氨水应密闭保存放置于低温处 
D.实验室用排饱和食盐水的方法收集氯气
科目 化学   题型 选择题   难度 较易
知识点: 探究温度、压强对化学平衡的影响
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