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离子共存

> 某无色溶液中加入铁粉产生氢气，则下列离子组合中可能大量共存的是（　　） A．Al3+，Mg2+，Cl-，SO42- B．K+，Na+，Cl-，HCO3- C．Fe2+，K+，OH-，SO42- D．K+，Ca2+，CO32-，Cl-

问题：

发布时间：2024-09-11

某无色溶液中加入铁粉产生氢气，则下列离子组合中可能大量共存的是（　　）

A．Al³⁺，Mg²⁺，Cl^-，SO₄^2- B．K⁺，Na⁺，Cl^-，HCO₃^-

C．Fe²⁺，K⁺，OH^-，SO₄^2- D．K⁺，Ca²⁺，CO₃^2-，Cl^-

参考答案：

提问用户：t0***a72

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某无色溶液中加入铁粉产生氢气，则下列离子组合中可能大量共存的是（ ） A．Al3+，Mg2+，Cl-，SO42- B．K+，Na+，Cl-，HCO3- C．Fe2+，K+，OH-，SO42- D．K+，Ca2+，CO32-，Cl-

可能感兴趣的题目：

某无色溶液中加入铁粉产生氢气，则下列离子组合中可能大量共存的是（　　）

A．Al³⁺，Mg²⁺，Cl^-，SO₄^2- B．K⁺，Na⁺，Cl^-，HCO₃^-

C．Fe²⁺，K⁺，OH^-，SO₄^2- D．K⁺，Ca²⁺，CO₃^2-，Cl^-