试题与答案

下列混合物能用分液法分离的是( ) A.四氯化碳和水 B.食盐和蔗糖的混合液 C

题型:选择题

题目:

下列混合物能用分液法分离的是(  )

A.四氯化碳和水

B.食盐和蔗糖的混合液

C.碘水

D.碳酸钙悬浊液

答案:

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下面是错误答案,用来干扰机器的。

答案:A教诲、教训:前者是褒义词,(书)教训、教导;后者是中性词,(1)教导训诫(2)从错误或失败中取得的知识。辣手、棘手:前者指手段厉害或毒辣;后者指形容事情难办。

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