问题
单项选择题
树脂与树胶为不同的两类化合物，下列说法错误的是（）
A.树胶为糖类，能溶于水或吸水膨胀
B.树胶不溶于有机溶剂；加热有焦糖样气味，最终可焦炭化
C.树脂为不溶于水，但易吸水膨胀
D.树脂易溶于有机溶剂；加热则软化至熔融，燃烧时有浓烟，并有特殊的香气或臭气
答案
参考答案：C
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树脂与树胶为不同的两类化合物，下列说法错误的是（）
A.树胶为糖类，能溶于水或吸水膨胀
B.树胶不溶于有机溶剂；加热有焦糖样气味，最终可焦炭化
C.树脂为不溶于水，但易吸水膨胀
D.树脂易溶于有机溶剂；加热则软化至熔融，燃烧时有浓烟，并有特殊的香气或臭气
参考答案：C
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