下列溶液一定呈碱性的是 A  c(OH-)>c(H+)      B  c(OH-)=1×10-6m

下列溶液一定呈碱性的是

A  c(OH)c(H)      B  c(OH-)1×106molL  

使甲基橙变黄       D  pH=8的溶液

答案

A

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