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如图所示两个集气瓶分别装入红棕色的二氧化氮和无色空气中间用玻璃片隔开．将玻璃片抽出让两个集气瓶口紧密对准一段时间后�现上下两个集气瓶 Template






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sketch 3506 Goku by Saul Mansanares
sketch 2619 Underwater by sketchmaster
sketch 3381 DBZ by Adidtzu Ady
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sketch 3268 Werewolf by Mert Arda Yiğit
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sketch 5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit
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tomski如图所示两个集气瓶分别装入红棕色的二氧化氮和无色空气中间用玻璃片隔开．将玻璃片抽出让两个集气瓶口紧密对准一段时间后�现上下两个集气瓶 coloring
view template
如图所示两个集气瓶分别装入红棕色的二氧化氮和无色空气中间用玻璃片隔开．将玻璃片抽出让两个集气瓶口紧密对准一段时间后现上下两个集气瓶 sketch template
view template
如图所示两个集气瓶分别装入红棕色的二氧化氮和无色空气中间用玻璃片隔开．将玻璃片抽出让两个集气瓶口紧密对准一段时间后现上下两个集气瓶 sketch template
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5．如图在实验台上放置两瓶气体集气瓶AB中分别盛有CO2O2H2中的一种．1由放置方法判断出A瓶中气体的物理性质是密度小于空气 sketch template
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如图所示的甲乙两个实验集气瓶底部预分别装有量氢氧化钠溶液和水．它们的作用分别是甲中吸收燃烧产物防止二氧化硫污染空气乙中防止生成的 sketch template
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将钠和碳分别置于如图所示的两个盛满氧气的集气瓶中燃烧完毕后打开装置中的两个活塞这时观察到 A．水进入左瓶B．水进入右瓶C．水同时进入 sketch template
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实验装置如图所示甲乙两个集气瓶用导管连接玻璃管A的下端紧系一只气球乙集气瓶中放一块红磷将此装置放置在阳光下用凸透镜照射红磷 一段 sketch template
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为研究温室效应与二氧化碳气体的关系某同学设计了如图所示装置将中间有红墨水的两个分别装有空气和二氧化碳气体的集气瓶同时放到阳光下照射一段 sketch template
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题目如图所示甲乙两个气密性良好的集气瓶中都充满了空气甲乙瓶中的燃烧匙内分别放有足量的红磷和碳粉A为止水夹分别点燃红磷和碳粉 sketch template
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将红磷和硫分别在如图所示的两个盛满O2的集气瓶内燃烧待燃烧完毕后同时打开两个止水夹这时观察到的现象是 A．水先进入a瓶B．水先进入b sketch template
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将足量的红磷和木炭分别放在如图所示的两个盛满空气的密闭集气瓶中燃烧待燃烧停止并冷却后同时打开两装置的活塞这时可观察到 A．水先迅速进入 sketch template
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探究小组用如图所示装置进行实验．胶头滴管和集气瓶中分别盛装某种物质挤压胶头滴管集气瓶中滴加适量液体后能观察到气球变大的组合是 A．胶 sketch template
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集气瓶带磨砂玻璃片60ml125ml250ml化学实验玻璃仪器气体收集瓶 阿里巴巴 sketch template
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将钠和碳分别置于如图所示的两个盛满氧气的集气瓶中燃烧完毕后打开装置中的两个活塞这时观察到 A．水进入左瓶B．水进入右瓶C．水同时进入 sketch template
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7．集气瓶 1识别 集气瓶如图所示 2用途 专为收集气体的容器常配有磨砂玻片 集气瓶口也进行了带砂磨平处理增强气密性有别于广 sketch template
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如图所示等体积的甲乙两集气瓶内充满空气燃烧匙内分别盛有过量的红磷和碳点燃使其充分反应冷却至室温打开止水夹出现的现象是 A 甲 sketch template
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某实验小组进行有关红磷燃烧的系列实验 1实验一如图A所示将点燃的红磷插入集气瓶中红磷在氧气中剧烈燃烧可看到集气瓶中产生大量 该 sketch template
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如图所示甲乙两个气密性良好的干燥集气瓶中都充满了空气甲乙瓶中的燃烧匙内分别放有足量的红磷和炭粉ab为止水夹分别点燃红磷和炭粉 sketch template
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如图所示的甲乙两个实验有共同点集气瓶底部预先均装有量水．它们的作用分别是1甲中防止高温生成物溅落瓶底使瓶底炸裂防止高温生成物 sketch template
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老师用如图所示装置为同学们做如下实验A装置集气瓶中装有体积比约为11的氮气和气体a的混合气体注射器中装有足量的无色溶液bB装置中盛有 sketch template
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如图所示某同学设计了一组实验来研究CO2的性质．图中三个集气瓶都盛有用紫色石蕊染成的干燥小花．用手挤压三个集气瓶上的胶头滴管使其中液体滴在 sketch template
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实验小组进行有关红磷燃烧的系列实验 1实验一如图A所示将点燃的红磷插入集气瓶中红磷在氧气中剧烈燃烧可看到集气瓶中有大量 该反应 sketch template
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9．右图所示的甲乙两个实验有共同点集气瓶底部预先 均装有量水它们作用分别是 甲中 乙中——青夏教育精英家教—— sketch template
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如图所示的甲乙两个实验有共同点集气瓶底部预先都要装入量的水．两种情况中的水的作用是否相同为什么——青夏教育精英家教—— sketch template
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有两个装满氧气的集气瓶用带火星的木 条分别以甲乙两种方式迅速插入观察到木条复燃 且在甲中燃烧比在乙中燃烧得更旺上述实验说明 了氧气 sketch template
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为了验证空气中氧气的含量．甲乙两组同学分别按如图所示装置进行试验实验燃烧匙里的红磷燃烧停止并冷却后打开止水夹甲组的同学现水沿导管进入 sketch template
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如图所示两个集气瓶分别装入红棕色的二氧化氮和无色空气中间用玻璃片隔开．将玻璃片抽出让两个集气瓶口紧密对准一段时间后现上下两个集气瓶 sketch template
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如图所示的甲乙两个实验的共同点是集气瓶底部都预先装有量水它们的作用分别是 甲中的水是 乙中的水是用来吸收有刺激性的燃烧燃烧产物 sketch template
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如图所示的甲乙两个实验有共同点集气瓶底部预先均装有量水它们作用分别是 甲中 乙中 ． 题目和参考答案——青夏教育精英家教—— sketch template
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如图所示为实验室中常见的气体制备和收集装置．请回答下列问题1实验室用过氧化氢制取氧气应选用的装置是B反应的化学方程式为2H2O2 sketch template
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装满氧气的集气瓶如图所示用带火星的木条分别以甲乙两种方式迅速插入观察到木条复燃且在甲中燃烧比在乙中燃烧更旺 上述实验说明了氧气具有 sketch template
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如图所示的甲乙两个实验的共同点是集气瓶底部都预先装有量水它们的作用分别是 甲中的水是 乙中的水是用来吸收有刺激性的燃烧燃烧产物 sketch template
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如图所示用坩埚夹取一小块木炭在酒精灯上加热到红插入到盛有氧气的集气瓶中当木炭燃尽后集气瓶中倒入量澄清石灰水．请回答下列问题 sketch template
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如图所示等体积的甲乙两集气瓶内充满空气燃烧匙内分别盛有过量的红磷和木炭点燃使其充分反应冷却至室温打开弹簧夹出现的现象是 A sketch template
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如图所示某同学认为是一个空的集气瓶实际上是用排水集气法收集的一瓶气体．据此请根据有关信息描述该物质的相关物理性质．答 ． 题目和 sketch template