A.高于沸點(diǎn) B.沸點(diǎn) C.低于沸點(diǎn) D.溶點(diǎn)
A.10% B.20% C.5% D.15%
A.增大 B.減小 C.無(wú)變化 D.時(shí)大時(shí)小