📚 Apparatus and Reagents in IGCSE Chemistry | IGCSE 化学中的仪器与试剂
In IGCSE Chemistry, practical work depends on choosing the correct apparatus and reagent for each task. A successful experiment requires not only a clear method but also an understanding of what each piece of equipment is designed to do, how accurately it measures, and how to use it safely. This article covers the essential apparatus and reagents you will meet in the course.
在 IGCSE 化学中，实验工作取决于为每项任务选择正确的仪器和试剂。一个成功的实验不仅需要清晰的方法，还需要理解每件设备的设计用途、测量精度以及如何安全使用。本文涵盖课程中会接触到的主要仪器和试剂。
1. Common Glassware and Basic Apparatus | 常用玻璃器具与基本仪器
Glassware is the backbone of most chemistry practical work. A beaker is a wide cylindrical container used for holding, mixing and roughly heating liquids; it is not designed for accurate volume measurement because its scale is only approximate.
玻璃器具是大多数化学实验工作的基础。烧杯是一种宽圆柱形容器，用于盛放、混合和粗略加热液体；它不是为精确测量体积而设计的，因为其刻度仅为近似值。
A conical flask has a narrow neck and a flat base, allowing liquids to be swirled without splashing. It is especially useful in titrations where mixing must occur while the flask stays stable.
锥形瓶瓶颈较窄、底部平坦，可在不飞溅的情况下摇动液体。
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