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某校生物兴趣小组的同学用如图1所示的装置进行探究活动装置中玻璃板与无色透明钟罩之间用凡士林密封透明钟罩内放一只盛有某种液体的小烧杯．请根据 Template






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sketch 3244 Winnie the Pooh by Ashok Kumar Chaturvedi
sketch 5361 Emma Watson by Glynis June Williams
sketch 4190
sketch 78 Dino-Roar
sketch 865
sketch 3626 Skream by Wellen Lima
sketch 4467
sketch 5078 Naruto by Shimun Yeyo Ahmed

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sketch 5102 Old Man by Cuong Pham
sketch 5133 Jiraiya by Saiful Farizam
sketch 3118 Joker Hernan Da Costa Marquez
sketch 4393 ant
sketch 22
sketch 2638 Cliff cool
sketch 3639
sketch 2866 Soul Eater by Ani Chachua





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tomski某校生物兴趣小组的同学用如图1所示的装置进行探究活动装置中玻璃板与无色透明钟罩之间用凡士林密封透明钟罩内放一只盛有某种液体的小烧杯．请根据 coloring
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某校生物兴趣小组利用玉米为实验材料研究不同条件下光合作用速率和吸作用速率绘制了下列四幅图下列叙述错误的是 A．图中若环境温度降低a sketch template
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某化学兴趣小组的同学对一份固体样品进行了探究．通过实验已确定该样品由氧化铁和铁粉混合而成．他们称取了136g固体样品用图1所示的装置进行 sketch template
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某校生物兴趣小组的同学用如图1所示的装置进行探究活动装置中玻璃板与无色透明钟罩之间用凡士林密封透明钟罩内放一只盛有某种液体的小烧杯．请根据 sketch template
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某化学兴趣小组设计了如图所示的实验实验步骤如下先分别称量蜡烛装置Ⅱ装置Ⅲ的质量按图示连接好仪器装置点燃蜡烛同时从a导管口抽气一 sketch template
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题目某同学用如图所示的实验装置研究气体X的性质气体X的主要成分是氯气其中还含有水蒸气请回答下列问题1该实验的主要目的是 2 sketch template
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某同学用如图所示的装置在实验室加热高锰酸钾制取氧气回答问题1指出图中较明显的错误 ．2反应开始前应首先 3实验 sketch template
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某同学用如图所示的装置进行铜与浓硫酸反应的实验．请回答问题．1铜与浓硫酸反应的化学方程式是 ．2实验过程中观察到品红试液 ．为进一步 sketch template
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某同学用如图所示的装置进行铜与浓硫酸反应的实验．请回答问题．1铜与浓硫酸反应的化学方程式是 ．2实验过程中观察到品红试液 ．为进一步 sketch template
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14．某同学用如图1所示的装置来探究CO2SO2与澄清石灰水的反应结果通入CO2可以看到先浊后澄清的现象但通入SO2看不到浊现象经 sketch template
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某同学用如图所示的装置进行可燃物燃烧条件的实验探究下列说法不正确的是 A．不通空气时冷水中的白磷不燃烧B．通空气时冷水中的白磷不 sketch template
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某同学用下图所示的装置测定空气中氧气的含量实验后现所测定氧气的体积分数低于1/5针对这一事实你认为下列做法或想法不正确的是 A查看实验 sketch template
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化学兴趣小组同学对空气中氧气含量的测定进行了如下实验和再认识。【回顾旧知（1）如图1所示，利用红磷燃烧测空气中氧气含量。为了确保实验成功，在 sketch template
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某同学用如图所示的装置进行可燃物燃烧条件的实验探究下列说法不正确的是 A．不通空气时冷水中的白磷不燃烧B．通空气时冷水中的白磷不 sketch template
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题目某化学兴趣小组的同学用如图1所示的装置测定空气中氧气的含量请回答下列问题1装置中电热棒的作用是 2燃烧匙中红磷燃烧的主要 sketch template
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某同学设计了如图所示的装置．下列描述中正确的组合是 此装置可验证植物的光合作用产生氧气此装置可验证植物的吸作用产生二氧化碳丙内 sketch template
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某同学用如图1所示的装置来探究SO2的性质及CO2SO2与澄清石灰水的反应实验 1实验前应先检验装置的气密性方法是 2实验室 sketch template
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某同学用如图一所示的装置来探究CO2SO2与澄清石灰水的反应结果通入CO2可以看到先浊后澄清的现象但通入SO2没有能看到浊现象．经过 sketch template
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某化学兴趣小组设计了一组“喷泉 实验装置如图1所示1A装置仪器a的名称铁架台．若此装置打开止水夹出现“喷泉 现象则广口瓶内生的 sketch template
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某化学兴趣小组欲制取氨气和氯化氢气体并完成喷泉实验．1写出实验室制取氨气的化学方程式 ．若实验室只有浓硫酸浓盐酸浓氨水氢氧化钠固体 sketch template
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某同学用如图1所示的装置进行“探究平抛运动规律 的实验1用小锤打击弹性属片属片把A球沿水平方弹出同时B球被松开自由下落 sketch template
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某化学实验小组同学利用如图1所示装置制备氨气并探究氨气的性质．1实验室制备氨气的化学方程式 干燥氨气常用的干燥剂是 2收集氨气时 sketch template
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CO2是初化学重点研究的气体之一某化学兴趣小组设计了如图1和2所示的实验探究CO2的制取和性质．1该兴趣小组用干燥管烧杯铜等设计装配 sketch template
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某同学用如图两装置进行小实验请根据实验方案回答下列问题．1用图1装置除去氧气中混有的量二氧化碳气体AB中都盛放足量的澄清石灰水B sketch template
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题目ABCDEF 均为初中化学中常见的物质其中ABC 为单质C 为红色固体DEF 为氧化物它们之间在一定条件下 sketch template
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某物理小组的同学用如图1所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 sketch template
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某兴趣小组根据实验室提供的仪器和药品进行了氧气的制备实验．1甲同学选用如右图所示的装置制取氧气．写出仪器A的名称 除用排水法甲 sketch template
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某同学用如图1所示的装置探究弹簧弹力与形变量的关系，刻度尺0刻度线与弹簧上端对齐，他先读出不挂钩码时弹簧下端指针所指刻度尺的刻度值，记作，然后 sketch template
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氨气的三种实验室制法【相关词 氨气的实验室制法 随意优惠券 sketch template
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某物理小组的同学用如图1所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 sketch template
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某同学用如图6所示的装置来研究自由落体运动是什么性质的运动 下图是实验中利用打点计时器记录自由落体运动的轨迹时得到的一条纸带纸带上的点是 sketch template
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某化学兴趣小组的同学用如图所示的实验探究分子的运动请回答下列问题1如图1所示将无色的浓氨水中滴入无色的酚酞试液中观察到的实验现象是 sketch template
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题目某校化学兴趣小组的同学开展了测定Na2CO3和NaCl的固体混合物中Na2CO3质量分数的探究实验．他们设计了如下方案1方案一 sketch template
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某同学制作了图1所示的装置风吹动时风车带动磁体上方的线圈转动线圈两端引出线上的绝缘漆已全部刮掉灵敏电流计的指针会生偏转．图2是该 sketch template
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某同学设计如图所示装置分别进行探究实验请回答下列问题实验药品制取气体量气管中的液体ⅠCu稀HNO3H2OⅡNaOH固体浓氨水NH3Ⅲ镁 sketch template
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某同学用如图所示的装置来验证动量守恒定律．斜槽末端已调水平．入射球a的质量为m1被碰球b的质量为m2则下列说法中正确的是 A．两球质量 sketch template