题目：
下列实验操作能达到预期目的的是 [ ]
A．用10mL的量筒量取9.0mL水
B．用向下排空气法收集纯净的氢气
C．用托盘天平称取10.58g碳酸钠粉末
D．用150mL酒精和50mL水精确配制200mL医用消毒酒精
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A
下列实验操作能达到预期目的的是 [ ] A．用10mL的量筒量取9.0mL水 B
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