MgCO3的Ksɵ=6.82×10-8，这意味着在所有含MgCO3的溶液中，c(Mg2+)=c(CO32-)，而且c(Mg2+)·c(CO32-)=6.82×10-8。
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室温下，在任何CaF2水溶液中，Ca2＋和F－离子浓度的乘积都等于CaF2的Ksɵ值。
A. 对
B. 错
在PbI2饱和溶液中加入少量Pb(NO3)2固体，将会发现有黄色PbI2沉淀生成，这是因为Pb(NO3)2的存在使PbI2的溶解度降低而形成沉淀。
A. 对
B. 错
AB型和AB2型的难溶电解质相比较，标准溶度积较大的其相应的溶解度（以mol·dm-3为单位）也一定较大。
A. 对
B. 错
【单选题】One-on-one job interview intends to ____________.
A. look for a strong candidate who knows how to work well with others and behave properly and competently in a work environment
B. evaluate candidates’ social communication and interpersonal skills, along with table manners, and to see if they can handle themselves gracefully under pressure
C. determine whether the information you’ve provided are reliable and whether you will fit in with the company, and how your skills and qualifications will benefit the company
D. get good, collective responses from the candidate quickly
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