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【单选题】
下列说法正确的是A.
饱和氯水中加水稀释，促进氯水中水的电离
B.
向氨水中加入氯化铵，由于氯化铵溶液呈酸性，所以溶液pH降低
C.
碳酸钠溶液中存在CO 3 2- +H 2 O HCO 3 - +OH - 平衡，若通入CO 2 ，则平衡逆向移动
D.
向氢氧化镁悬浊液中加水稀释，Mg(OH) 2 沉淀溶解平正向移动，但c(Mg 2+ )降低
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皮皮学刷刷变学霸
举一反三
【单选题】The joint review of construction drawings is generally organized and presided over by ___________
A.
supervision unit
B.
design unit
C.
development unit
D.
construction unit
【单选题】In the case of the joint stock company, public inspection of accounts is compulsory.
A.
examination
B.
review
C.
calculation
D.
observation
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