[江西省吉安县凤凰中学九年级化学上册课题三走进化学实验室课件.ppt

* * 课题3 走进化学实验室 （化学实验基本操作） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Hi，还记得我吗? 酒精灯 烧杯 集气瓶 量筒 滴瓶 试管夹 玻璃棒 水槽 铁架台 胶头滴管 石棉网 试管 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 试管 用作少量试剂的反应容器，在常温或加热时使用 注意： 加热前擦干外壁的水，加热后不能骤冷 仪 器 介 绍 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 试管夹 用于夹持试管 注意： 使用时从底部往上套，夹在试管的中上部，手握长柄，拇指不按短柄 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 用于搅拌、过滤或转移液体 玻璃棒 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 酒精灯 ，用于加热 注意： 1、灯内酒精量不超过容积的2/3 2、绝对禁止向燃着的酒精灯里添加酒精 3、绝对禁止用酒精灯引燃另一只酒精灯 4、用完后，必须用灯帽盖灭 5、洒出的酒精燃烧，用湿抹布扑盖 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 铁架台 用于固定和支持各种仪器，一般常用于过滤和加热等实验操作[来源:z x x k 学科网] Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 烧杯 用于配制溶液和较大量试剂的反应容器，在常温和加热时使用 加热时应放置在石棉网上，使受热均匀[来源:z x x k 学科网] Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 量筒 量度液体体积 不能加热、不能作反应容器 读数： 100 mL规格:精确到1 mL 10 mL规格：精确到0.1 mL Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 视线与量筒内液体的凹液面的最低处保持水平 俯视：读数偏大 仰视：读数偏小 思考：向量筒中注入水，仰视读数为a mL ,倒出一部分水后，俯视读数为b mL，则倒出水的 体积为 （a-b）mL Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 坩埚钳 蒸发皿 可直接加热 燃烧匙 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 镊子 药匙 试管刷 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004