25℃时，某溶液中由水电离产生的C（H+）和C（OH－）的乘积为1×10－20，下列说法正确的是
| A．该溶液的pH一定是10 | B．该溶液可能pH="4" |
| C．该溶液的pH可能是7 | D．不会有这样的溶液 |
相关试题
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
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| A．was | B．had been | C．has been | D．will be |
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| A．someone | B．anyone | C．not one | D．no one |
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| A．said | B．to say | C．saying | D．being said |
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