A.乙醇B.甲醇C.乙醚D.甲醚
A.6.0~7.0B.6.5~7.5C.6.0~8.0D.6.5~8.5
A.低沸點物質(zhì)少,高沸點物質(zhì)少B.低沸點物質(zhì)少,高沸點物質(zhì)多C.低沸點物質(zhì)多,高沸點物質(zhì)多D.低沸點物質(zhì)多,高沸點物質(zhì)少