取用80mL液体,应当选用的仪器是( ) A.烧杯 B.10 mL量筒    C.1

取用80mL液体,应当选用的仪器是(  )

A.烧杯 B.10 mL量筒    C.100 mL量筒   D.250 mL量筒

答案

【考点】测量容器﹣量筒.

【专题】常见仪器及化学实验基本操作.

【分析】量取液体时要用到量筒和胶头滴管,关键是如何选用量筒.选取量筒时,量筒的最大量程应略大于或等于所量取液体的体积.

【解答】解:由题意可知,量取80mL液体,选取量筒时,选取一次量取全部液体的最小规格的量筒,所以要选100mL量筒.

故选:C

【点评】了解具备基本的化学实验技能是学习化学和进行化学探究活动的基础和保证.只有掌握化学实验的基本技能,才能安全、准确地进行化学实验.

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