實驗室設備及其用途

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Questions and Answers

在需要长时间进行化学反应并需要加热时,最适合使用的容器是什么?

  • 平底烧瓶 (Flat-bottomed flask)
  • 锥形瓶 (Conical flask)
  • 圆底烧瓶 (Round-bottomed flask) (correct)
  • 烧杯 (Beaker)

如果需要支撑一个正在加热的烧瓶,应该使用以下哪种设备?

  • 三脚架 (Tripod Stand) (correct)
  • 坩埚 (Crucible)
  • 表面皿 (Watch Glass)
  • 试管 (Test tube)

下列哪一项最适合用于盛放少量的药品或试剂?

  • 烧杯 (Beaker)
  • 锥形瓶 (Conical flask)
  • 圆底烧瓶 (Round-bottomed flask)
  • 表面皿 (Watch Glass) (correct)

使用本生灯进行加热时,需要在加热物体和本生灯之间放置什么以使物体受热更均匀?

<p>石棉网 (Wire Gauze) (C)</p> Signup and view all the answers

如果需要加热固体物质至高温,最适合使用的仪器是?

<p>坩埚 (Crucible) (A)</p> Signup and view all the answers

以下哪种容器最适合用于容易需要摇晃的化学反应?

<p>锥形瓶 (Conical flask) (B)</p> Signup and view all the answers

进行需要长时间反应的实验时,考虑到稳定性和安全,通常选择哪种烧瓶?

<p>平底烧瓶 (Flat-bottomed flask) (A)</p> Signup and view all the answers

以下哪一项主要用作热源,为实验提供热量?

<p>本生灯 (Bunsen Burner) (D)</p> Signup and view all the answers

对于只需要少量试剂的快速化学反应,通常使用哪种容器?

<p>试管 (Test tube) (B)</p> Signup and view all the answers

盛放液体试剂时,通常会优先考虑使用以下哪种容器?

<p>烧杯 (Beaker) (C)</p> Signup and view all the answers

Flashcards

烧杯 (Beaker) 的用途?

用于盛放液体。

平底烧瓶 (Flat-bottomed flask) 的用途?

用于需要长时间的化学反应的容器。

圆底烧瓶 (Round-bottomed flask) 的用途?

用于需要长时间的化学反应的容器,必须加热时使用。

试管 (Test tube) 的用途?

用于少量试剂反应的容器。

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锥形瓶 (Conical flask) 的用途?

便于振荡用的容器。

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表面皿 (Watch Glass) 的用途?

用于盛少量药品、试剂。

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三脚架 (Tripod Stand) 的用途?

用于支撑加热物体。

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石棉网 (Wire Gauze) 的用途?

使被加热物体受热更均匀。

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本生灯 (Bunsen Burner) 的用途?

加热用的热源。

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坩埚 (Crucible) 的用途?

用来加热固体。

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Study Notes

  • This document outlines common lab equipment and their uses.

裝藥品與反應 (Medication and Reaction)

  • 烧杯 (Beaker) is used to hold liquids.
  • 平底烧瓶 (Flat-bottomed flask) is used as a container for lengthy chemical reactions.
  • 圆底烧瓶 (Round-bottomed flask) is used as a container for lengthy chemical reactions that require heating.
  • 试管 (Test tube) serves as a container for small amounts of reagents.
  • 锥形瓶 (Conical flask) is a container that is easy to shake.
  • 表面皿 (Watch Glass) is used to hold small amounts of medicine and reagents.
  • 三脚架 (Tripod Stand) is used to support objects during heating.
  • 陶土网 (Wire Gauze ) is used to ensure heated objects receive even heat distribution.
  • 本生灯 (Bunsen Burner) is a heat source for heating purposes.
  • 坩埚 (Crucible) is used to heat solids.

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