A.等當(dāng)點(diǎn) B.化學(xué)計(jì)量點(diǎn) C.滴定終點(diǎn) D.指示劑變色轉(zhuǎn)折點(diǎn)
A.直接 B.間接 C.置換 D.取代
A.滴定終點(diǎn) B.化學(xué)計(jì)量點(diǎn) C.指示劑變色點(diǎn)