下列解释实验事实的离子方程式不正确的是（ ）
| A．用烧碱溶液吸收NO2：2NO2+2OH-=NO3-+ NO2-+ H2O |
| B．用烧碱溶液吸收氯气：Cl2+2OH-=Cl-+ClO-+H2O |
| C．明矾溶液与过量氨水反应：Al3+ +3NH3.H2O=Al(OH)3↓ + 3NH4+ |
| D．酸性KI淀粉溶液久置后变蓝：4I-+O2+2H2O=2I2+4OH- |
相关试题
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 |
All the dishes in this menu, ______ otherwise stated, will serve two to three people. 
| A．as | B．if | C．though | D．unless |
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
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