2015年高考化学实验题三气体制取复习.ppt

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1、专题三：气体的制备知识要点复习随堂练习Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.根据反应物质的状态和反应条件气体发生装置的基本类型:A、固体反应物（加热）C、固（

2、液）液反应物（加热）气体发生装置的设计原则：B、固液反应物（不加热）一、气体发生装置Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.试管导管酒精灯铁架台注意事项：（1）

3、试管口应略向下倾斜（2）试管夹夹在试管的中上部（3）药品应平铺于试管底部（4）导管不宜伸入试管过长（5）实验开始时先检验装置的气密性（6）加热时，先预热且应用外焰加热A、固体反应物（加热）Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0

4、.0.Copyright2004-2011AsposePtyLtd.该装置可用于制备O2、NH3和CH4Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.启普发生器简易装

5、置注意事项：(1)启普发生器只适用于块状固体与液体在不加热条件下制取难溶于水的气体如CO2、H2S、H2(不可用于制C2H2)(2)简易装置则适用于固体与液体在不加热下制取气的反应(3)操作时应注意：a.检验装置的气密性b.长颈漏斗插入液面以下c.制H2S时应在通风橱中,H2S剧毒B、固液反应物（不加热）Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluati

6、ononly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.常见装置Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.

7、2.0.0.Copyright2004-2011AsposePtyLtd.启普发生器的拓展与延伸Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.①.启普发生器原理式反应

8、器的设计Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfil