下列离子方程式中，属于水解反应的是:
A．HCOOH + H2O HCOO- + H3O+ |
B．CO2 + H2O HCO3-+ H+ |
| C．CO32- + H2OHCO3-+ OH- |
D．HS- + H2OS2- + H3O+ |
相关试题
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 |
All the dishes in this menu, ______ otherwise stated, will serve two to three people. 
| A．as | B．if | C．though | D．unless |
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