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

下列说法正确的是(  )

A25 NH4Cl溶液的KW大于100 NaCl溶液的KW

BSO2通入碘水中,反应的离子方程式为SO2I22H2O===SO2I4H

C.加入铝粉能产生H2的溶液中,可能存在大量的NaBa2AlONO

D100 时,将pH2的盐酸与pH12NaOH溶液等体积混合,溶液显中性

答案

C

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