为了达到下列表格中的实验要求,请从供选择的化学试剂中选出合适

为了达到下列表格中的实验要求,请从供选择的化学试剂中选出合适的试剂,将其标号填入对应的空格中。

答案

(1)D(2)A(3)B(4)C

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