人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件

人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件1 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件2 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件3 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件4 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件5 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件6 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件7 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件8 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件9 人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件10
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人教版高中化学必修一《第1课时 氯及其化合物 海水中的重要元素·钠和氯》PPT课件文字介绍:等级性测试第二节 氯及其化合物第1课时 氯气的性质等级性测试课程标准1.结合真实情景中的应用实例或通过实验探究,了解氯及其重要化合物的主要性质,认识这些物质在生产中的应用和对生态环境的影响。2.初步形成基于物质类别、元素价态和原子结构对物质的性质进行预测和检验的认识模型。3.通过含氯物质及其转化关系的认识过程,建立物质性质与物质用途的关联。第二章 海水中的重要元素——钠和氯课程标准1.结合真实情景中的应用实例或通过实验探究,了解氯及其重要化合物的主要性质,认识这些物质在生产中的应用和对生态环境的影响。2.初步形成基于物质类别、元素价态和原子结构对物质的性质进行预测和检验的认识模型。3.通过含氯物质及其转化关系的认识过程,建立物质性质与物质用途的关联。等级性测试核心素养1.宏观辨识与微观探析:基于研究物质性质的基本方法和基本程序,探究氯及其化合物的性质。2.科学态度与社会责任:通过对氯及其化合物的性质探究等一系列科学探究活动,增强安全意识和培养严谨求实的科学精神。3.科学探究与创新意识:根据氯及其化合物的知识,设计简单的实验方案并完成实验;观察并客观记录物质及其变化的现象。第二章 海水中的重要元素——钠和氯核心素养1.宏观辨识与微观探析:基于研究物质性质的基本方法和基本程序,探究氯及其化合物的性质。2.科学态度与社会责任:通过对氯及其化合物的性质探究等一系列科学探究活动,增强安全意识和培养严谨求实的科学精神。3.科学探究与创新意识:根据氯及其化合物的知识,设计简单的实验方案并完成实验;观察并客观记录物质及其变化的现象。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/1.氯的原子结构及氯元素的存在(1)原子结构氯原子的结构示意图为__________,在化学反应中很容易得到_____个电子,因此,氯气的化学性质非常活泼,表现出强__________。(2)存在形式氯是一种重要的“成盐元素”,在自然界中大量存在于海水中以及陆地的盐湖和盐矿中,均以化合态存在。1氧化性1.氯的原子结构及氯元素的存在(1)原子结构氯原子的结构示意图为__________,在化学反应中很容易得到_____个电子,因此,氯气的化学性质非常活泼,表现出强__________。(2)存在形式氯是一种重要的“成盐元素”,在自然界中大量存在于海水中以及陆地的盐湖和盐矿中,均以化合态存在。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/2.氯气的物理性质氯气是一种黄绿色、有刺激性气味的有毒气体,密度比空气大,能溶于水。3.氯气的化学性质(1)与金属单质反应(与变价金属反应生成高价金属氯化物)2.氯气的物理性质氯气是一种黄绿色、有刺激性气味的有毒气体,密度比空气大,能溶于水。3.氯气的化学性质(1)与金属单质反应(与变价金属反应生成高价金属氯化物)栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/化学方程式反应现象与钠反应2Na+Cl2=====△2NaCl______________与铁反应2Fe+3Cl2=====△2FeCl3__________________与铜反应Cu+Cl2=====△CuCl2__________________产生大量白烟产生大量棕褐色烟产生大量棕黄色烟化学方程式反应现象与钠反应2Na+Cl2=====△2NaCl______________与铁反应2Fe+3Cl2=====△2FeCl3__________________与铜反应Cu+Cl2=====△CuCl2__________________栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/(2)与非金属单质(如H2)反应实验操作实验现象化学方程式在空气中点燃H2,然后把导管缓慢伸入盛满Cl2的集气瓶中H2在Cl2中____________,发出____________H2+Cl2=====点燃2HCl燃烧结束后,抽去盖在集气瓶口处的毛玻璃片瓶口上方出现______安静地燃烧苍白色火焰白雾(2)与非金属单质(如H2)反应实验操作实验现象化学方程式在空气中点燃H2,然后把导管缓慢伸入盛满Cl2的集气瓶中H2在Cl2中____________,发出____________H2+Cl2=====点燃2HCl燃烧结束后,抽去盖在集气瓶口处的毛玻璃片瓶口上方出现______栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/点拨:①Cl2和H2的混合气体在强光照射下,反应瞬间完成,放出热量使气体急剧膨胀而发生爆炸。②燃烧是指发热、发光、剧烈的氧化还原反应,反应中并不一定要有氧气参加。点拨:①Cl2和H2的混合气体在强光照射下,反应瞬间完成,放出热量使气体急剧膨胀而发生爆炸。②燃烧是指发热、发光、剧烈的氧化还原反应,反应中并不一定要有氧气参加。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/(3)与水反应①在25℃时,1体积水溶解约______体积氯气,氯气的水溶液称为氯水。②溶于水的Cl2部分与水发生反应,化学方程式为________________________。2Cl2+H2O===HCl+HClO(3)与水反应①在25℃时,1体积水溶解约______体积氯气,氯气的水溶液称为氯水。②溶于水的Cl2部分与水发生反应,化学方程式为________________________。Cl2+H2O===HCl+HClO栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/③次氯酸a.弱酸性酸性很弱,比______还弱b.不稳定性不稳定,见光易分解,化学方程式:________________________c.强氧化性用于漂白、杀菌消毒碳酸2HClO=====光照2HCl+O2↑③次氯酸a.弱酸性酸性很弱,比______还弱b.不稳定性不稳定,见光易分解,化学方程式:________________________c.强氧化性用于漂白、杀菌消毒2HClO=====光照2HCl+O2↑栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/(4)与碱反应________________________________________[有效成分:____________]_______________________________________[有效成分:___________]2Cl2+2Ca(OH)2===Ca(ClO)2+CaCl2+2H2OCa(ClO)2Cl2+2NaOH===NaCl+NaClO+H2ONaClO点拨:漂白液、漂白粉和漂粉精既可用作漂白棉、麻、纸张的漂白剂,又可用作游泳池等场所的消毒剂。(4)与碱反应________________________________________[有效成分:____________]_______________________________________[有效成分:___________]2Cl2+2Ca(OH)2===Ca(ClO)2+CaCl2+2H2OCl2+2NaOH===NaCl+NaClO+H2O点拨:漂白液、漂白粉和漂粉精既可用作漂白棉、麻、纸张的漂白剂,又可用作游泳池等场所的消毒剂。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/1.氯水性质的多重性氯水中存在多种粒子决定了它具有多重性质,具体如下:1.氯水性质的多重性氯水中存在多种粒子决定了它具有多重性质,具体如下:栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/2.液氯、氯水的比较液氯新制氯水久置氯水粒子种类Cl2H2O、Cl2、HClO、H+、Cl-、ClO-、OH-H2O、H+、Cl-、OH-分类纯净物混合物混合物颜色黄绿色浅黄绿色无色性质强氧化性酸性、强氧化性、漂白性酸性2.液氯、氯水的比较液氯新制氯水久置氯水粒子种类Cl2H2O、Cl2、HClO、H+、Cl-、ClO-、OH-H2O、H+、Cl-、OH-分类纯净物混合物混合物颜色黄绿色浅黄绿色无色性质强氧化性酸性、强氧化性、漂白性酸性栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/1.氯气可用于消灭田鼠,为此,可将氯气用软管通入田鼠洞中,这是利用了氯气下列性质中的()①黄绿色②密度比空气大③有毒④易液化⑤溶于水A.①②B.②③C.①②③D.③④⑤解析:选B。将氯气通入田鼠洞中起灭鼠作用,一方面是利用其密度比空气大得多,另一方面是利用其毒性。1.氯气可用于消灭田鼠,为此,可将氯气用软管通入田鼠洞中,这是利用了氯气下列性质中的()①黄绿色②密度比空气大③有毒④易液化⑤溶于水A.①②B.②③C.①②③D.③④⑤解析:选B。将氯气通入田鼠洞中起灭鼠作用,一方面是利用其密度比空气大得多,另一方面是利用其毒性。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/2.下列关于氯气的叙述中正确的是()A.钠在氯气中燃烧产生白烟B.红热的铜丝在氯气中燃烧生成CuClC.纯净的氢气可以在氯气中安静地燃烧,发出黄色火焰D.氯气的水溶液可以导电,说明氯气是电解质解析:选A。钠在氯气中燃烧,生成NaCl固体小颗粒,形成白烟,A项正确;红热的铜丝在氯气中燃烧生成CuCl2,B项错误;氢气在氯气中燃烧发出苍白色火焰,C项错误;Cl2是单质,既不是电解质,也不是非电解质,D项错误。2.下列关于氯气的叙述中正确的是()A.钠在氯气中燃烧产生白烟B.红热的铜丝在氯气中燃烧生成CuClC.纯净的氢气可以在氯气中安静地燃烧,发出黄色火焰D.氯气的水溶液可以导电,说明氯气是电解质解析:选A。钠在氯气中燃烧,生成NaCl固体小颗粒,形成白烟,A项正确;红热的铜丝在氯气中燃烧生成CuCl2,B项错误;氢气在氯气中燃烧发出苍白色火焰,C项错误;Cl2是单质,既不是电解质,也不是非电解质,D项错误。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/3.下列关于氯水的叙述,正确的是()A.新制氯水中只含Cl2和H2O分子B.新制氯水可使蓝色石蕊试纸先变红后褪色C.光照新制氯水有气泡逸出,该气体是Cl2D.新制氯水在密闭无色玻璃瓶中放置数天后酸性将减弱解析:选B。A项,新制氯水的成分为Cl2、H2O、HClO、Cl-、H+、ClO-、OH-,错误;C项,光照新制氯水发生反应2HClO=====光照2HCl+O2↑,故产生的气体为O2,错误;D项,新制氯水放置数天后HClO分解为HCl,酸性增强,错误。3.下列关于氯水的叙述,正确的是()A.新制氯水中只含Cl2和H2O分子B.新制氯水可使蓝色石蕊试纸先变红后褪色C.光照新制氯水有气泡逸出,该气体是Cl2D.新制氯水在密闭无色玻璃瓶中放置数天后酸性将减弱解析:选B。A项,新制氯水的成分为Cl2、H2O、HClO、Cl-、H+、ClO-、OH-,错误;C项,光照新制氯水发生反应2HClO=====光照2HCl+O2↑,故产生的气体为O2,错误;D项,新制氯水放置数天后HClO分解为HCl,酸性增强,错误。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/4.下列关于漂白粉的叙述不正确的是()A.漂白粉的有效成分是Ca(ClO)2B.漂白粉在空气中久置后会变质C.漂白粉是由Cl2通入石灰乳中制得D.漂白粉的主要成分是CaCl2答案:D4.下列关于漂白粉的叙述不正确的是()A.漂白粉的有效成分是Ca(ClO)2B.漂白粉在空气中久置后会变质C.漂白粉是由Cl2通入石灰乳中制得D.漂白粉的主要成分是CaCl2答案:D栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/课堂小结课堂小结栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/合格考训练1.下列说法正确的是()A.实验室用排水法收集氯气B.闻氯气气味时,用手轻轻在集气瓶口扇动,使极少量氯气飘进鼻孔C.Cl-和Cl2均有毒D.Cl-和Cl2均呈黄绿色解析:选B。氯气能溶于水,密度比空气大,不能用排水法收集氯气,应该用向上排空气法收集。Cl-无色、无毒。合格考训练1.下列说法正确的是()A.实验室用排水法收集氯气B.闻氯气气味时,用手轻轻在集气瓶口扇动,使极少量氯气飘进鼻孔C.Cl-和Cl2均有毒D.Cl-和Cl2均呈黄绿色解析:选B。氯气能溶于水,密度比空气大,不能用排水法收集氯气,应该用向上排空气法收集。Cl-无色、无毒。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/2.下列各化合物不能由单质直接化合制取的是()A.FeCl3B.CuCl2C.AlCl3D.FeCl2解析:选D。因Cl2化学性质很活泼,与变价金属反应时生成高价态金属氯化物,Fe元素有+2价、+3价,Cu元素有+1价、+2价,Al元素只有+3价,所以选D。2.下列各化合物不能由单质直接化合制取的是()A.FeCl3B.CuCl2C.AlCl3D.FeCl2解析:选D。因Cl2化学性质很活泼,与变价金属反应时生成高价态金属氯化物,Fe元素有+2价、+3价,Cu元素有+1价、+2价,Al元素只有+3价,所以选D。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/3.检验氯化氢气体中是否混有Cl2,可采用的方法是()A.用干燥的蓝色石蕊试纸B.用干燥有色布条C.将气体通入硝酸银溶液D.用湿润的淀粉碘化钾试纸解析:选D。HClO具有漂白性,而Cl2不具有,A、B选项中是在干燥环境下,Cl2都不能转变为HClO,因而无漂白性,无法与HCl气体区别;C选项,Cl2通入AgNO3溶液也产生白色沉淀,因为Cl2与H2O反应也产生Cl-;D选项,Cl2与KI反应产生I2,淀粉遇I2变蓝,可以与HCl区别开。3.检验氯化氢气体中是否混有Cl2,可采用的方法是()A.用干燥的蓝色石蕊试纸B.用干燥有色布条C.将气体通入硝酸银溶液D.用湿润的淀粉碘化钾试纸解析:选D。HClO具有漂白性,而Cl2不具有,A、B选项中是在干燥环境下,Cl2都不能转变为HClO,因而无漂白性,无法与HCl气体区别;C选项,Cl2通入AgNO3溶液也产生白色沉淀,因为Cl2与H2O反应也产生Cl-;D选项,Cl2与KI反应产生I2,淀粉遇I2变蓝,可以与HCl区别开。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/4.漂白粉在空气中放置易失效的主要原因是()A.Ca(ClO)2不稳定,易分解B.Ca(ClO)2易吸收水分而潮解C.Ca(ClO)2跟空气中的水和CO2反应D.Ca(ClO)2跟空气中的CO2反应解析:选C。漂白粉在空气中放置易失效的主要原因是Ca(ClO)2可以与CO2、H2O反应生成HClO,次氯酸不稳定,在光的作用下易分解,使漂白粉失效。4.漂白粉在空气中放置易失效的主要原因是()A.Ca(ClO)2不稳定,易分解B.Ca(ClO)2易吸收水分而潮解C.Ca(ClO)2跟空气中的水和CO2反应D.Ca(ClO)2跟空气中的CO2反应解析:选C。漂白粉在空气中放置易失效的主要原因是Ca(ClO)2可以与CO2、H2O反应生成HClO,次氯酸不稳定,在光的作用下易分解,使漂白粉失效。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/5.在第一次世界大战期间,有一次德军与英、法军在比利时对峙,黎明时,英、法军前线战壕的士兵突然看到一股黄绿色气体逐渐袭来,很快数百名英、法军战士窒息而死。后来人们在打扫战场时,发现跑到山坡上的士兵竟幸免于难。(1)由上述事例可归纳出氯气的性质有_______________________________________________________________________。(2)写出下列反应的化学方程式。①铁丝在氯气中燃烧:______________________________。5.在第一次世界大战期间,有一次德军与英、法军在比利时对峙,黎明时,英、法军前线战壕的士兵突然看到一股黄绿色气体逐渐袭来,很快数百名英、法军战士窒息而死。后来人们在打扫战场时,发现跑到山坡上的士兵竟幸免于难。(1)由上述事例可归纳出氯气的性质有_______________________________________________________________________。(2)写出下列反应的化学方程式。①铁丝在氯气中燃烧:______________________________。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/②铁粉溶于盐酸中:_________________________________。(3)将新鲜的花瓣放入干燥的氯气中可观察到的现象是________,原因是______________________________________。(4)氯水久置或光照条件下均会变成稀盐酸,同时释放出氧气,说明次氯酸________,反应的化学方程式为____________________________________________________________________。②铁粉溶于盐酸中:_________________________________。(3)将新鲜的花瓣放入干燥的氯气中可观察到的现象是________,原因是______________________________________。(4)氯水久置或光照条件下均会变成稀盐酸,同时释放出氧气,说明次氯酸________,反应的化学方程式为____________________________________________________________________。栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/答案:(1)黄绿色气体,有毒,密度比空气大(2)①2Fe+3Cl2=====△2FeCl3②Fe+2HCl===FeCl2+H2↑(3)花瓣褪色新鲜的花瓣含有水分,遇Cl2会产生HClO,HClO具有漂白性(4)不稳定2HClO=====光照2HCl+O2↑答案:(1)黄绿色气体,有毒,密度比空气大(2)①2Fe+3Cl2=====△2FeCl3②Fe+2HCl===FeCl2+H2↑(3)花瓣褪色新鲜的花瓣含有水分,遇Cl2会产生HClO,HClO具有漂白性(4)不稳定2HClO=====光照2HCl+O2↑栏目导引等级性测试第二章 海水中的重要元素——钠和氯PPT模板:www.1ppt.com/moban/PPT素材:www.1ppt.com/sucai/PPT背景:www.1ppt.com/beijing/PPT图表:www.1ppt.com/tubiao/PPT下载:www.1ppt.com/xiazai/PPT教程:www.1ppt.com/powerpoint/资料下载:www.1ppt.com/ziliao/范文下载:www.1ppt.com/fanwen/试卷下载:www.1ppt.com/shiti/教案下载:www.1ppt.com/jiaoan/PPT论坛:www.1ppt.cnPPT课件:www.1ppt.com/kejian/语文课件:www.1ppt.com/kejian/yuwen/数学课件:www.1ppt.com/kejian/shuxue/英语课件:www.1ppt.com/kejian/yingyu/美术课件:www.1ppt.com/kejian/meishu/科学课件:www.1ppt.com/kejian/kexue/物理课件:www.1ppt.com/kejian/wuli/化学课件:www.1ppt.com/kejian/huaxue/生物课件:www.1ppt.com/kejian/shengwu/地理课件:www.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/本部分内容讲解结束

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