问题
单项选择题
维生素C的测定选用
A.非水溶液滴定法
B.碘滴定液(0.1mol/L)
C.薄层色谱法
D.碘试液
E.碘蒸气
答案
参考答案:B
维生素C的测定选用
A.非水溶液滴定法
B.碘滴定液(0.1mol/L)
C.薄层色谱法
D.碘试液
E.碘蒸气
参考答案:B
用所给词的适当形式完成下面的短文,单词可以重复使用。 | |
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