【单选题】10mol/L某碱溶液,其溶液的PH值为()。(已知Kb=4.2×10-4)
【判断题】Many new forms of advertising have appeared in recent years and they are overtaking traditional media such as television, radio, magazines and newspapers. They have a capacity to reach vast audiences ...
【单选题】10mol/L某碱溶液,其溶液的pH值为(Kb=4.2×10-4)()。
【单选题】10mol/L的某碱溶液其溶液的pH值为( )(Kb=4.2×10-?)。
【单选题】附加刑的适用方式是( )。
C.
有的只能附加适用;有的既能附加适用,又能独立适用
【单选题】Advertising follows us everywhere. Whenever we turn on the television, listen to the radio or open a newspaper or a magazine, we are bombarded with advertisements. They invite us to try a new type of ...
A.
a new type of orange juice
C.
to watch the latest film