常温下向盛水烧杯中加2g生石灰（如下图）。搅拌后再恢复到原温，在此过程中，下列说法正确的是
| A．水的电离常数不变 |
| B．Ca(OH)2的电离程度先大后变小然最后不变 |
| C．水的电离平衡向逆反应方向移动最后不变 |
| D．水的电离度将会先变小然后变大最后不变 |
相关试题
What I need is_____ book that contains ______ABC of oil painting.
| A．a; 不填 | B．the; 不填 | C．the; an | D．a ; the |
Jenny nearly missed the flight______ doing too much shopping.
| A．as a result of | B．on top of | C．in front of | D．in need of |
The CDs are on sale! Buy one and you get ______ completely free.
| A．other | B．others | C．one | D．ones ks |
I’m sure that your letter will get______ attention. They know you’re waiting for the reply. 
| A．continued | B．immediate | C．careful | D．general |
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