试题与答案

生物碱存在碱性的最主要原因是由于它们分子结构中多含有()。 A.氢分子 B.氮原子

题型:单项选择题

题目:

生物碱存在碱性的最主要原因是由于它们分子结构中多含有()。

A.氢分子

B.氮原子

C.氧原子

D.碳原子

答案:

参考答案:B

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