题目内容

____is the way we divide the term oxygenate.

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____is the way we divide the term pneumatocardia.

Match the term in Column I with its description in Column II.

酸碱的概念有哪几种定义方式?

A. PH酸碱
B. 质子酸碱
C. 路易斯酸碱
D. 无机酸碱

PH<7为________物质,PH大于7为________物质。

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