9．如下图所示在一u型管中装入滴有紫色石蕊试液且混合均匀的某溶液通直流电一段时间后u型管内会形成一个倒立的“彩虹则u型管内的溶液可能 Sketch Coloring Page

9．如下图所示在一u型管中装入滴有紫色石蕊试液且混合均匀的某溶液通直流电一段时间后u型管内会形成一个倒立的“彩虹则u型管内的溶液可能 Template

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tomski9．如下图所示在一u型管中装入滴有紫色石蕊试液且混合均匀的某溶液通直流电一段时间后u型管内会形成一个倒立的“彩虹则u型管内的溶液可能 coloring

9．如下图所示在一U型管中装入滴有紫色石蕊试液且混合均匀的某溶液通直流电一段时间后U型管内会形成一个倒立的“彩虹 则U型管内的溶液可能 sketch template

同学们利用压强计等装置“探究液体内部压强”的规律，进行了如下的操作：（1）在使用压强计前，�现U形管中两侧液面已有高度差（如图甲所示），接 sketch template

如图所示在U形管中装入滴有紫色石蕊试液且混合均匀的某溶液通直流电一段时间后U形管中会形成一个倒立的漂亮的“彩虹 则U形管中的溶液可能为 sketch template

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如图所示煤气管道包括户外和户内两部分二者之间连接着一只煤气表．工人师傅给每户安装完户内管道后都要检查一下管道是否漏气．有一种检测装置在 sketch template

百度教育 sketch template

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百度教育 sketch template

百度教育 sketch template

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如下图所示在倾角为θ的光�斜面上有一根水平方�的通电直导线恰好静止不动已知直导线长为l质量为m通过的电流为I方�如图所示整个装置 sketch template

55、在如下图所示的衰变纲图中衰变方式d属于衰变。试题通 sketch template

如图所示在烧杯AB中装入20mL蒸馏水滴入2 3滴酚酞试液在烧杯C中装入10mL浓氨水用一只大烧杯把AC两烧杯溶液罩在一起．过了一 sketch template

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下列说法中正确的是 A．凡是放热反应都是自�的吸热反应都是非自�的B．在反应A 的速率测定实验中分别测得反应速率如下vA=0 sketch template

如下图所示CD为竖直挂在墙上的平面镜位于A处的甲同学通过平面镜看到了位于B处的乙同学在这一现象中光线的入射角是A．∠l B．∠2 C sketch template

如图所示在一敞口玻璃瓶甲里盛适量的水使之能浮在一水槽中将另一只同样的敞口空玻璃瓶乙瓶口朝下按入槽内水中并固定位置在标准大气压下对 sketch template

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