属于氧化还原反应的离子方程式的是_刷题宝

题干

属于氧化还原反应的离子方程式的是

A：CaCO₃＋2H⁺＝ Ca²⁺＋CO₂↑＋H₂O

B：2Fe²⁺＋Cl₂＝ 2Fe³⁺＋2Cl^-

C：HCO₃^-＋Ｈ⁺＝ CO₂＋H₂O

D：2Na＋2H₂O ＝ 2Na⁺＋2OH^-＋H₂↑

上一题下一题 0.0难度选择题更新时间:2016-06-07 09:55:00

答案(点此获取答案解析）

B

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