A. B. C. D.
A.測(cè)Na+時(shí),產(chǎn)生“堿差”;測(cè)H+時(shí),產(chǎn)生“酸差” B.測(cè)OH-時(shí),產(chǎn)生“堿差”;測(cè)H+時(shí),產(chǎn)生“酸差” C.測(cè)定pH高時(shí),產(chǎn)生“堿差”;測(cè)定pH低時(shí),產(chǎn)生“酸差” D.測(cè)pOH時(shí),產(chǎn)生“堿差”;測(cè)pH時(shí),產(chǎn)生“酸差”