問題詳情
21.下列數據是五種物質在常壓下所測量出的沸點，何者是混合物？
(A)甲（沸點90～120℃）
(B)乙（沸點46℃）
(C)丙（沸點78℃）
(D)丁（沸點100℃）
(E)戊（沸點80.1℃）。
(A)甲（沸點90～120℃）
(B)乙（沸點46℃）
(C)丙（沸點78℃）
(D)丁（沸點100℃）
(E)戊（沸點80.1℃）。
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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