(完整word版)初中化学最重要的9个实验.pdf
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1、实验一测定空气里氧气的含量实验目的:1、测定空气成分2、让学生通过明显的实验现象加深对该知识的印象实验仪器:燃烧匙双孔塞广口瓶大烧瓶导气管弹簧夹实验药品:红磷实验步骤:1、按图装配好仪器2、在燃烧匙内加入过量红磷3、点燃红磷后,立即伸入瓶中并把塞子塞紧,观察现象4、待红磷熄灭瓶子冷却后,打开弹簧夹,观察现象及水面变化情况实验问题:1、写出该反应方程式2、叙述反应后瓶内气体的有关性质3、若瓶内水的体积小于1/5,原因可能有什么精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页,共 9 页 -实验二验证燃烧条件及压强原理实验目的:1、让学生掌握燃烧的条件及方法2、让学生把理化相结合考虑问题实验仪器
2、:平底烧瓶导气管气球单孔塞未知工具(学生自己猜测)注:不能用酒精灯和加热装置实验药品:红磷实验步骤:1、把少量红磷放入平底烧瓶内2、把带有气球的导气管插入单孔塞内,伸入平底烧瓶3、让学生自己设计实验问题:1、产生现象的原因是什么?2、写出反应方程式精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页,共 9 页 -文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z
3、4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编
4、码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z
5、4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编
6、码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z
7、4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编
8、码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5实验三燃烧条件实验目的:1、让学生掌握燃烧的条
9、件2、让学生能理化综合,分析现象产生原因实验仪器:烧杯镊子火柴量筒实验药品:酒精水棉布实验步骤:1、把 50mL 酒精溶解于 75mL 水中2、用镊子夹取棉布浸于酒精溶液中3、点燃棉布,观察现象实验问题:解释产生现象的原因,写出有关反应方程式精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页,共 9 页 -文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5
10、A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:C
11、V5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5
12、A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:C
13、V5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5
14、A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:C
15、V5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5实验四论证质量守恒定律实验目的:1、让学生充分掌握质
16、量守恒定律2、结合物理知识,全面考虑对实验有影响的因素实验仪器:锥形瓶气球天平实验药品:稀盐酸锌实验步骤:1、瓶内放入足量盐酸2、气球内放入 6.5g锌粒,将气球套在锥形瓶上(如图)3、将图的装置放在天平上称量,质量w1为_ 4、将气球内锌粒全部倒入瓶内,观察现象5、称量反应后装置的质量w2为_ 实验问题:1、写出该反应的化学方程式2、天平显示 w1w2的原因是(装置不漏气)3、请写出一个不会出现上述结果的化学方程式来验证质量守恒定律精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页,共 9 页 -文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5
17、N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1
18、 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5
19、N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1
20、 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5
21、N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1
22、 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5
23、N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5实验五验证 CO2的性质实验目的:1、验证 CO2的溶解性2、验证 CO2与 NaOH 的反应实验仪器:塑料瓶烧杯制 CO2的装置酒精灯石棉网铁架台实验药品:水NaOH 溶液实验步骤:1、向盛满 CO2的塑料瓶内倒入约半瓶水后,立即旋紧瓶盖,用力振荡后,观察现象2、看到现象后,立即把该塑料瓶放入盛有热水的大烧杯中,观察现象3、向盛满 CO2的塑料瓶中倒入 NaOH 溶液,塑料瓶发生了什么现象实验问题:1、步骤 1 现象的原因2、步骤 2 现象的原因3、
24、步骤 3 现象的原因精品资料-欢迎下载-欢迎下载 名师归纳-第 5 页,共 9 页 -文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1
25、HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y3E5文档编码:CV5N1P8K2S1 HB1X3Z4I5A1 ZI5K7V9Y
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