试题与答案

下列表格中的各种情况,可以用下面对应选项中的图象曲线表示的是 选项反应纵坐标甲乙

题型:选择题

题目:

下列表格中的各种情况,可以用下面对应选项中的图象曲线表示的是

选项反应纵坐标
A外形、大小相近的金属和水反应反应速率Mg]Na
B4 mL 0.01 mol/L的KMnO4溶液,分别和不同浓度的H2C2O4(草酸)溶液各2mL反应0.1 mol/L的H2C2O4溶液0.2 mol/L的H2C2O4溶液
C5 mL 0.1 mol/L Na2S2O3溶液和5 mL 0.1 mol/L H2SO4溶液反应热水冷水
D5 mL 4%的过氧化氢溶液分解放出O2无MnO2粉末加MnO2粉末
 

答案:

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参考答案:D

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