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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 Template






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tomski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 coloring
view template
某物理兴趣小组的同学们在研究水的沸腾现象：（1）如图甲所示为该实验的装置，在安装时应先调整固定 （选填“A”或“B”）的位置；（2）同学们观察 sketch template
view template
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
view template
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
view template
某物理小组的同学用如图甲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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题目某物理兴趣小组的同学用天然气给10kg的水加热同时绘制了如图所示的加热过程中水温随时间变化的图线若在6min内完全燃烧了0 sketch template
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题目某物理兴趣小组的同学用如图甲所示的装置来研究水的沸点．1图中是“研究水的沸点 实验如图乙中AB所示其中 图是水沸腾时的气泡的 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学习小组的同学对实验室制取二氧化碳及二氧化碳的性质进行如下两个方面的探究。Ⅰ二氧化碳的制取第一小组用如图所示的装置制取二氧化碳并测定生成 sketch template
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12．某探究学习小组的同学欲验证“动能定理 他们在实验室组装了一套如图所示的装置另外他们还找到了打点计时器所用的学生电源导线复写纸 sketch template
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在探究“浮力大小与哪些因素有关 的实验中某小组同学用如图所示的装置将同一物体分别逐渐浸入到水和酒精中为了便于操作和准确收集数据用升降台 sketch template
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32．某化学课外小组同学用如图所示实验验证质量守恒定律 1某甲同学用A装置探究质量守恒定律实验步骤如下 如图将烧杯放在天平上用砝码 sketch template
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题目物理小组的同学们组装了下图所示的装置在完全相同的烧杯中分别装有质量相同的AB两种液体在完全相同的燃料盒中分别装有两种不同的燃料 sketch template
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某物理小组的同学用如图甲所示的装置来研究水的沸腾．从点燃的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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物理实验小组用如图1所示的装置探究“水的沸腾”实验： 1实验小组观察到水沸腾前和水沸腾时水中气泡的情况如图2所示，图中 选填“甲”或“乙 sketch template
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某物理兴趣小组的同学们在研究水的沸腾现象：（1）如图甲所示为该实验的装置，在安装时应先调整固定 （选填“A”或“B”）的位置；（2）同学们观察 sketch template
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某实验小组用图甲所示的装置探究水沸腾时温度变化的特点。（1）实验中，老师现某小组的温度计玻璃泡碰到了烧杯的底部，则该组测得水的温度比实际温度 sketch template
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某小组用如图1所示的装置进行二氧化碳与空气密度大小比较的实验．装置玻璃管内装有一根铜丝铜丝上等距离系有11个棉球两端与干燥管相连．实验 sketch template
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小智用如图乙所示的装置对某种物质加热，他每隔相同的时间就记录一次温度计的示数，并观察物质的状态。图丙是他根据记录的实验数据绘制的温度﹣时间图像。 sketch template
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某物理课外实验小组对照明灯具的光与热问题产生了兴趣．在老师的指导下他们设计实验方案并进行了探究选用两个如图1所示的相同密封盒子将 sketch template
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为探究液体压强的规律某中学课外学习小组的同学设计制作了如图所示的装置．他们首先一个大水槽里灌满水水深为h=02m此时水对水槽底部的 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
view template
小智用如图乙所示的装置对某种物质加热，他每隔相同的时间就记录一次温度计的示数，并观察物质的状态。图丙是他根据记录的实验数据绘制的温度﹣时间图像。 sketch template
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某物理兴趣小组想利用如图所示的装置比较铝和某种合材料的导电性能．1他们应该选用 和长度都相同的铝丝和合丝．2在两个相同烧瓶中分别装 sketch template
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某化学兴趣小组用如图所示的装置做有关CO2气体的实验1甲同学将收集满CO2气体的试管倒插入紫色石蕊试液中并轻轻振荡试管．描述产生的 sketch template
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如图所示是某物理小组在观察“水的沸腾 实验中的情景．1请指出他们在实验中操作错误之处 ．2在纠正错误后他们继续实验观察到水沸腾时的 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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物理兴趣小组的同学利用如图所示的装置在杠杆支点的两边分别挂上钩码来探究杠杆的平衡条件．1如图甲所示为使杠杆在水平位置平衡应将右端的 sketch template
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涨水季节某课外兴趣小组的同学小华和小明从某江水中进行取样并进行净化处理．回答下列有关问题1写出指定的仪器名称 漏斗漏斗酒精灯 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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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化学学习小组同学用如图装置进行Cl2的制备和性质实验探究。回答下列问题：（1）若采用图甲所示的装置制备并收集氯气，则氯气中含有的杂质是 ；该 sketch template
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如图所示是探究冰和蜡的熔化过程的实验装置某实验小组的同学记录的数据如表所示并根据实验数据绘制了如图乙所示的图象．时间 sketch template
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某自然学兴趣小组设计了如右图所示的装置用来研究不同属跟稀硫酸反应的快慢他们用此装置选择了甲乙丙丁四种大小相同的属片分别与 sketch template
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某物理小组的同学用如图甲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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某小组的同学做“比较不同物质的吸热能力 的实验他们使用了如图所示的装置1在设计实验方案时需要确定以下控制的变量你认为其中多余的是 sketch template