《2022年2020年中考化学复习指导：奇妙的二氧化碳易错疑难知识点归纳 .pdf》由会员分享，可在线阅读，更多相关《2022年2020年中考化学复习指导：奇妙的二氧化碳易错疑难知识点归纳 .pdf（4页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、第 2 节 奇妙的二氧化碳（易错难点）易错点 l 不能正确认识二氧化碳1下列有关二氧化碳的说法正确的是()A.光合作用能产生二氧化碳B.二氧化碳固体可用于人工降雨C.二氧化碳可使用紫色石蕊染成的干燥纸花变红D.二氧化碳有毒不能制作碳酸饮料2某班同学在对CO2进行功与过的讨论时，列举的以下事实既可以体现 CO2的功，又可以体现CO2的过的是()A.CO2可以使人窒息B.CO2可以作气体肥料C.CO2可以产生温室效应D.液态 CO2可用于灭火疑难点 1 二氧化碳的性质实验1 下列有关二氧化碳性质的实验，无明显现象的是()2如图所示的实验，能证明CO2性质的是()不能燃烧一般不支持燃烧密度比空气大不
2、能供给呼吸CO2能与水反应生成碳酸A.B.只有C.只有D.只有3.某同学设计了如下一组实验.取 4 朵用石蕊试液染成紫色的干燥纸花(石蕊遇酸会变红色)，分别按下图进行实验.回答下列问题:（1）观察到纸花的颜色变化现象:I 纸花变红;II;纸花不变红;.（2）实验 I 说明了:;实验 II 说明了:;实验说明了:.（3）上述 4 个实验说明了:.（4）写出 实验 中发 生反 应的 符号表 达式:.疑难点 2 对实验室制取二氧化碳装置的改进文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A1
3、0G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档
4、编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8
5、Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7
6、M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2
7、S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7
8、T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3
9、C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G104如图 A 是实验室制取二氧化碳并检验其性质的实验装置图，请你回答:（1）a 仪器的名称为;（2）检查 A 装置气密性的方法是;（3）小雪按图 A 方式将导管伸入试管中，溶液未出现浑浊现象，你认为可能的原因是(答出一条即可);（4）为了制取方便，小聪设计了如图 B,C,D 3 种改进装置，你认为能起到“随开随制，随关随停”效果
10、的是(填序号)。参考答案易错点 1B 2.C 疑难点1.B 2.A 3.(1)纸花不变色纸花变红(2)稀醋酸能使紫色石蕊变红水不能使紫色石蕊变色CO2不能使紫色石蕊变红(3)水和二氧化碳反应生成碳酸文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C
11、4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10
12、G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编
13、码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z
14、8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M
15、1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S
16、6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T
17、7 ZW3C4S6A10G10(4)CO2+H2OH2CO3 4.(l)长颈漏斗(2)用弹簧夹夹住右边胶皮管，向长颈漏斗中倒水，使水淹没长颈漏斗下端，并使长颈漏斗内液面高于锥形瓶内液面，静止一段时间后，液面高度不变，说明装置气密性良好(3)装置的气密性不好(或使用盐酸浓度过大或通入的二氧化碳过量)(4)CD 文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO
18、2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K
19、7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW
20、3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A
21、10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文
22、档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH
23、8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10文档编码:CH8Z8M3P7M1 HO2S6N7K7T7 ZW3C4S6A10G10