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某兴趣小组的学生根据mg与co2反应原理推测钠也应能在co2中燃烧为了确定其生成产物并进行实验论证某同学设计了下图所示装置进行实验已知 Template






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tomski某兴趣小组的学生根据mg与co2反应原理推测钠也应能在co2中燃烧为了确定其生成产物并进行实验论证某同学设计了下图所示装置进行实验已知 coloring
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某兴趣小组的学生根据Mg与CO2反应原理推测钠也应能在CO2中燃烧为了确定其生成产物并进行实验论证请你参与以下研究过程1甲同学首先 sketch template
view template
某兴趣小组的学生根据Mg与CO2反应原理推测钠也应能在CO2中燃烧为了确定其生成产物并进行实验论证某同学设计了下图所示装置进行实验已知 sketch template
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某兴趣小组的学生根据Mg与CO2反应原理推测钠也能在CO2中燃烧为了确定其产物并进行实验论证某同学设计了下列装置进行实验已知PdCl2能 sketch template
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某兴趣小组的学生根据Mg与CO2反应原理推测钠也应能在CO2中燃烧为了确定其生成产物并进行实验论证某同学设计了下图所示装置进行实验已知 sketch template
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探究镁与二氧化碳的反应兴趣小组同学将点燃的镁条插入盛满CO2的集气瓶内镁条继续剧烈燃烧生成白色固体并有色物质附着于集气瓶内壁．同学们对镁 sketch template
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某兴趣小组的学生根据活泼属Mg与CO2生反应推测活泼属钠也能与CO2生反应因此兴趣小组用下列装置进行“钠与二氧化碳反应 的实验探究 sketch template
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某课外活动小组探究镁与CO2NO2的反应1实验现点燃的镁条能在CO2气体中继续燃烧产生白两种固体请用化学反应解释该现象 ．2 sketch template
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某兴趣小组同学以“探究CO2与NaOH溶液的反应”为主题开展项目式学习，兴趣小组同学将CO2通入NaOH溶液中，现无明显现象，为了证明该反应 sketch template
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某兴趣小组同学以“探究CO2与NaOH溶液的反应”为主题开展项目式学习，兴趣小组同学将CO2通入NaOH溶液中，现无明显现象，为了证明该反应 sketch template
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某兴趣小组的学生根据活泼属Mg与CO2生反应推测活泼属钠也能与CO2生反应因此兴趣小组用图1装置进行“钠与二氧化碳反应 的实验探究 sketch template
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某化学活动兴趣小组用如图装置进行一氧化碳与氧化铜反应的探究实验。（1）实验一段时间后，装置A中的现象是 ；装置A中生反应的利用了一氧化碳的 sketch template
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兴趣小组为探究CO2的相关性质设计了以下实验在体积相同的两个集气瓶中装满CO2并装上与大气相通的气球分别从注射器中注入等体积的澄清石灰 sketch template
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实验证明点燃的镁条在CO2气体中可以燃烧生成氧化镁和炭下列说法错误的是 A．属镁着火不能用C02灭火器灭火 B．镁在二氧化碳中燃烧的 sketch template
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某校学生课外活动小组的同学设计下图所示实验装置用来验证一氧化碳具有还原性回答下列问题 1装置B中最适宜的试剂是 2装置C的 sketch template
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某实验小组利用下图1装置制取二氧化碳并收集一定量的二氧化碳设计实验验证二氧化碳与氢氧化钠溶液是否生反应设计实验一如图2所示一个 sketch template
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题目1某化学兴趣小组的同学无水乙醇中放入一小块属钠观察到有气泡产生小组同学对这一现象产生了兴趣进行了如下探究无水乙醇和属钠 sketch template
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某兴趣小组利用“盐酸、硫酸铜、氢氧化钠、碳酸钠、硝酸钾”五种溶液对“复分解反应生的条件”进行微观探析。 sketch template
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某化学兴趣小组为探究SO2的性质按下图所示装置进行实验已知Na2SO3 H2SO4浓Na2SO4 SO2 H2O请回答下列问题 sketch template
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某兴趣小组的学生根据Mg与CO2反应原理推测钠也应能在CO2中燃烧为了确定其生成产物并进行实验论证某同学设计了下图所示装置进行实验已知 sketch template
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某化学兴趣小组为探究SO2的性质，按下图所示装置进行实验。 请回答下列问题： 1装置A中盛放浓硫酸和亚硫酸钠的仪器名称分别是 、 ； 2 sketch template
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化学能与电能之间的相互转化与人类的生活实际密切相关在生产生活中有重要的应用同时也是学生形成化学学素养的重要组成部分1熔融状态下 sketch template
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33．某兴趣小组同学将CO2分别通入澄清 石灰水和氢氧化钠溶液中观察到前者变浊 后者无明显现象 1写出上述澄清石灰水变浊的化学 sketch template
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某兴趣小组同学将制得的CO2分别通入澄清石灰水和氢氧化钠溶液中他们观察到前者变浊后者无明显现象．那么CO2和NaOH是否生了化学反应 sketch template
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影响化学反应速率的因素很多某课外兴趣小组用实验的方法探究Mg与盐酸反应速率的变化规律．取一段镁条用砂纸擦去表面的氧化膜铜丝缠着镁条伸入 sketch template
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图1为化学反应气体体积测定仪1写出图中实验仪器的名称C液体量瓶2如何检查该装置的气密性将橡皮塞塞住A瓶加料口观察B瓶中长导管中 sketch template
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某学习小组在探究碳酸钠的化学性质时做了下图所示的三个实验．1实验一探究碳酸钠溶液的酸碱性．观察到试管中溶液变为红色可得出的结论是碳酸 sketch template
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某化学兴趣小组的同学往氢氧化钠溶液中滴加稀盐酸时没有看到明显现象．提出问题氢氧化钠与盐酸是否生了化学反应查阅资料酸与碱生中和 sketch template
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某兴趣小组的同学探究浓硫酸与木炭反应后产生气体的成分查阅资料经查阅资料得知 C与浓H2SO4在加热时反应有CO2SO2H2O sketch template
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题目某兴趣小组在探究浓硫酸的化学性质时将浓硫酸滴加到氯化钠固体中并小心的加热现有刺激性气的气体产生同时现有白雾经查资料了解到 sketch template
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下列是某兴趣小组根据课本实验设计的一个能说明碳酸钠与碳酸氢钠热稳定性的套管实验．请观察下图的实验装置分析实验原理回答下列问题1所装 sketch template
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某化学兴趣小组在做完用石灰石和稀盐酸制取二氧化碳的实验后对反应后的剩余溶液的溶质成分产生了兴趣他们进行了以下实验探究．提出猜想实验室 sketch template
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某兴趣小组根据教材实验设计的一个能说明碳酸钠与碳酸氢钠热稳定性的套管实验。请观察如下图所示实验装置，分析实验原理，并判断下列说法和做法，其中不 sketch template
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某兴趣小组的同学们以“稀硫酸与氢氧化钠溶液能否生反应 为课题进行了学探究 同学们在烧杯中加入10mL稀硫酸滴入几滴酚酞试液接着分两次 sketch template
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下列是某兴趣小组根据课本实验设计的一个能说明碳酸钠与碳酸氢钠热稳定性的套管实验．请观察下图的实验装置分析实验原理回答下列问题1所装 sketch template
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某兴趣小组的同学们围绕“酸碱中和反应 将学生成分若干小组开探宂活动请你和他们一起完成以下实验探究稀硫酸与氢氧化钠溶液能否生反应甲组同学 sketch template