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> 下列说法正确的是（　　） A．25℃时NH4Cl溶液的Kw大于100℃时NaCl溶液的Kw B．SO2通入碘水中，反应的离子方程式为SO2+I2+2H2O═SO32-+2I-+4H+ C．加入铝粉能产生H2的溶液中，可能存在大量的Na+、Ba2+、AlO2-、NO3- D．100℃时，将pH=2的盐酸与pH=12的NaOH溶液等体积混合，溶液显中性

问题：

发布时间：2024-09-13

下列说法正确的是（　　）

A．25℃时NH₄Cl溶液的K_w大于100℃时NaCl溶液的K_w

B．SO₂通入碘水中，反应的离子方程式为SO₂+I₂+2H₂O═SO₃^2-+2I^-+4H⁺

C．加入铝粉能产生H₂的溶液中，可能存在大量的Na⁺、Ba²⁺、AlO₂^-、NO₃^-

D．100℃时，将pH=2的盐酸与pH=12的NaOH溶液等体积混合，溶液显中性

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