将铁粉与铜粉一起放入热硝酸中,充分反应后,铜有剩余,则溶液中还能大量存在的离子是( )。 -题库考试答案搜索网

将铁粉与铜粉一起放入热硝酸中,充分反应后,铜有剩余,则溶液中还能大量存在的离子是( )。

单选题

2021-07-17 23:27

A、Cu<sup>2+</sup>、Fe<sup>3+</sup>、NO<sub>3</sub><sup>-</sup>;
B、Cu<sup>2+</sup>、Fe<sup>3+</sup>、H<sup>+</sup>;
C、Cu<sup>2+</sup>、Fe<sup>2</sup><sup>+</sup>、NO<sub>3</sub><sup>-</sup>;
D、Fe<sup>2+</sup>、Fe<sup>3+</sup>、NO<sub>3</sub><sup>-</sup>。

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正确答案

C

试题解析

标签：给排水工程技术高起专无机化学期末考试给排水科学与工程专升本 19级补考 2020年第二学期补考期末补考 2020级第一学期期末考试

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