下列说法正确的是
| A．CuSO4溶液能产生丁达尔效应 |
| B．分散质粒子的直径：浊液>胶体>溶液 |
| C．可以用过滤的方法除去氢氧化铁胶体中的可溶性杂质 |
| D．在饱和氯化铁溶液中滴加氢氧化钠溶液可制得Fe（OH）3胶体 |
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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