试题与答案

硫酸锌中含有硫酸镉杂质,能与酸浴中的硫化氢反应,生成()在丝条上形成黄斑。A、纤维素

题型:单项选择题

题目:

硫酸锌中含有硫酸镉杂质,能与酸浴中的硫化氢反应,生成()在丝条上形成黄斑。

A、纤维素

B、硫酸钠

C、硫化锌

D、硫化镉

答案:

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