单项选择题
A.0.65~0.75g/cm3B.0.70~0.80g/cm3C.0.88~0.97g/cm3D.0.90~0.99g/cm3
A.NClB.KClC.CaCl2D.KOH
A.101℃B.111℃C.121℃D.131℃