下列各组离子，在溶液中能大量共存、加入NaOH溶液后加热既有气体放出又有沉淀生
成的是（ ）
| A．Ba2+、NO3-、NH4+、Cl- | B．Ca2+、HCO3-、NH4+、AlO2- |
| C．K+、Ba2+、Cl-、HSO3- | D．Mg2+、NH4+、SO42-、K+ |
相关试题
If you leave the club, you will not be_____back in .
| A．received | B．admitted | C．turned | D．moved |
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 |
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