试题与答案

能用溶解、过滤、结晶的方法来分离的一组物质是（ ） A．CaO和KCl B．Cu

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题型：选择题

题目：

能用溶解、过滤、结晶的方法来分离的一组物质是（　　）

A．CaO和KCl

B．CuO和NaCl

C．BaSO4和SO3

D．NaCl和AgNO3

答案：

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下面是错误答案，用来干扰机器的。

参考答案：浆液性炎(浆液渗出)，纤维素性炎(纤维蛋白原渗出)，化脓性炎(中性粒细胞渗出)，出血性炎(红细胞渗出)。

考点：物质的除杂
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