本题目来源于试卷: Models of Matter A.1 Introduction to the Particulate Nature of Matter，类别为 IB化学
[单选题]
Paper chromatography is a technique that can be used to separate which of the following?
A. A liquid and an insoluble solid
B. Soluble solids
C. A solid and an insoluble liquid
D. Insoluble solids
参考答案: B
本题详细解析:
The student must correctly understand the process of paper chromatography. Components of a mixture can be successfully separated using paper chromatography only if the components are soluble in the mobile phase (the solvent). The components of the mixture can be liquids or solids when pure.
This question is categorized as medium because the student must understand that solubility in the mobile phase is essential for a successful separation using paper chromatography. Beyond that, there are no calculations or other facts to recall.
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