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某校化学兴趣小组的同学利用下列装置进行实验 实验目的1用高锰酸钾制取一瓶氧气做细铁丝燃烧的实验 2粗略测定加热2克高锰酸钾所 Template






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sketch 3413 Link by Dã Tr ng
sketch 538
sketch 2797 Homer by Na Ruro
sketch 2477 hhhh
sketch 5128 Italo Italo Abreu Jack Supple
sketch 4387 dong air
sketch 5137 Happy Halloween! by Guillaume Ballieu

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sketch 4900 Moonlight by Abdelwahab Haik
sketch 5200 Kristen Stewart by Rhemzkian Esturco
sketch 4589
sketch 4905 The Little Prince by Gaurav Patel
sketch 3760 PSY by Juvenilia Alexandrino
sketch 120 a pretty flower
sketch 2250 lelouch





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tomski某校化学兴趣小组的同学利用下列装置进行实验 实验目的1用高锰酸钾制取一瓶氧气做细铁丝燃烧的实验 2粗略测定加热2克高锰酸钾所 coloring
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某化学兴趣小组制取氯酸钾和氯水并进行有关探究实验．实验一 制取氯酸钾和氯水利用如图1所示的实验装置进行实验．1制取实验结束后取出B中试管 sketch template
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某校化学兴趣小组的同学利用下列装置进行实验 实验目的1用高锰酸钾制取一瓶氧气做细铁丝燃烧的实验 2粗略测定加热2克高锰酸钾所 sketch template
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某化学兴趣小组制取氯酸钾和氯水并进行有关探究实验．实验一制取氯酸钾和氯水．利用如图1所示实验装置和药品进行实验．1装置A中玻璃仪器为圆 sketch template
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题目学探究是学习化学重要而有效的学习方法某校化学兴趣小组的同学做实验盛有量NaOH溶液的试管中通入CO2未看到明显的实验现象 sketch template
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某校化学兴趣小组的同学利用如下仪器进行实验 C ——青夏教育精英家教—— sketch template
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27．学校化学兴趣小组的同学对一瓶溶液进行分析初步确定它是含有同种阴离子的MN的混合溶液继续分析的步骤如下 请根据上述实验过程及现象 sketch template
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某化学兴趣小组的同学利用如图所示实验装置进行实验．请按要求填空1利用B装置可制取的气体有 ．2ACE相连后的装置可用于制取Cl2 sketch template
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某化学兴趣小组利用下列装置进行氧气的实验室制法和有关性质的研究．实验室提供图1所示常用仪器供完成下列气体制取实验时选用．1写出有编号仪器 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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某校化学兴趣小组，在实验室里用二氧化锰和浓盐酸在加热条件下制取氯气并进行有关氯气性质的实验探究如下图所示。 回答下列问题： 1从分液 sketch template
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校化学兴趣小组的同学学习了实验室制取氧气后准备对气体的制取装置进行探究和设计．1实验目的探究气体的生和收集装置．2仪器认识写出 sketch template
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化学兴趣小组的同学进行了“测定空气中氧气的含量”的探究实验。（1）红磷燃烧的文字表达式为 。（2）实验探究步骤Ⅰ、将仪器按如图1装置连接好 sketch template
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15． 天津市2009年中考化学冲刺模拟题六某化学兴趣小组利用下列装置进行O2CO2的实验室制法和有关性质的研究 1写出下列编号 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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题目某校化学小组的同学开展测定Na2CO3和NaCl的固体混合物中Na2CO3质量分数的实验他们提出下列实验方案1甲同学用图1装置 sketch template
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题目某校化学兴趣小组的同学根据实验室提供的仪器和药品在老师的指导下从下图中选择装置进行了氧气的制备实验1甲同学把过氧化氢溶液缓缓 sketch template
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某化学兴趣小组为探究SO2的性质按图所示装置进行实验．请回答下列问题1装置A中盛放亚硫酸钠的仪器名称是 其中生反应的化学方程式为 sketch template
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题目某校化学兴趣小组为研究氯气的性质设计如图所示装置进行实验装置田中夹持装置已略去其中a为干燥的品红试纸b为湿润的品红试纸1 sketch template
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化学兴趣小组的同学进行了“测定空气中氧气的含量”的探究实验。（1）红磷燃烧的文字表达式为 。（2）实验探究步骤Ⅰ、将仪器按如图1装置连接好 sketch template
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某校化学兴趣小组的同学利用如图所示装置进行实验．实验目的用高锰酸钾制取一瓶氧气粗略测定加热2g高锰酸钾所收集到的氧气体积．仪器认识 sketch template
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某化学兴趣小组为探究SO2的性质按如图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仪器名称分别是分液漏斗分液漏斗 sketch template
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碳酸钠碳酸氢钠是两种重要的化学试剂．1某校化学兴趣小组为了验证碳酸钠和碳酸氢钠的稳定性做了如图1所示的实验．试管B中装入的固体最好 sketch template
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某校化学兴趣小组为研究氯气的性质设计如图所示装置进行实验装置Ⅲ中夹持装置已略去其中a为干燥的品红试纸b为湿润的品红试纸．1写出仪器 sketch template
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某校学兴趣小组的同学利用如图所示装置进行实验．实验目的粗略测定加热2g高锰酸钾样品所收集到的氧气体积．1仪器认识写出仪器的名称 sketch template
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某化学兴趣小组的同学利用下图所示实验装置进行实验 A 请按要求填空 1利用B装置可制取的气体有 2ACE相连后的装置可 sketch template
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校化学兴趣小组的同学学习了实验室制取氧气后准备对气体的制取装置进行探究和设计．实验目的探究气体的生和收集装置．1仪器认识写出仪器 sketch template
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某校化学兴趣小组为探究铁与浓硫酸的反应设计了图1图2所示装置进行实验．1能说明有SO2气体产生的实验现象是B中品红溶液褪色．2图2 sketch template
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题目某校化学兴趣小组就空气中氧气的含量进行实验探究集体讨论1讨论后同学们认为应该选择 A蜡烛 B红磷 C铁粉该反应的文字 sketch template
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某化学兴趣小组的同学利用如图所示实验装置进行实验请按要求填空1利用B装置可制取的气体有 2ACE相连后的装置可用于制取 sketch template
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某化学兴趣小组为探究SO2的性质按如图Ⅰ所示装置进行实验．请回答下列问题1装置A中盛放亚硫酸钠的仪器名称是 其中生反应的化学方程式 sketch template
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某兴趣小组对物质的性质和成分进行相关探究．兴趣小组同学用氧化铜与足量的碳粉利用图甲所示装置进行实验对生成气体的成分进行探究．提出问题生成 sketch template
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某化学兴趣小组的同学在老师的指导下利用如图所示装置进行实验探究活动．实验一装置A处玻璃管中盛放木炭探究可燃物燃烧的条件．I．打开K通入 sketch template
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11．某化学兴趣小组的同学利用下图所示实验装置进行实验图中abc 表示止水夹 请按要求填空 1利用B装置可制取的气体有 sketch template
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某化学兴趣小组的同学在老师的指导下利用如图所示装置进行实验探究活动．实验一装置A处玻璃管中盛放木炭探究可燃物燃烧的条件．I．打开K通入 sketch template
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某校化学研究性学习小组的同学在老师指导下开展了一系列探究物质组成的实验活动请按要求回答问题探究活动一探究空气中氧气的体积分数1选用汞 sketch template