2．如图所示a处通入cl2关闭b阀时c处的红布看不到明显现象开b阀后c处红色布条逐渐褪色则d瓶中装的不可能是 A．浓 Sketch Coloring Page

2．如图所示a处通入cl2关闭b阀时c处的红布看不到明显现象开b阀后c处红色布条逐渐褪色则d瓶中装的不可能是 A．浓 Template

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sketch #3908 Rawr! by Timothy Palfreyman

tomski2．如图所示a处通入cl2关闭b阀时c处的红布看不到明显现象开b阀后c处红色布条逐渐褪色则d瓶中装的不可能是 a．浓 coloring

如图所示A处通入Cl2关闭B阀时C处的红布看不到明显现象打开B阀后C处红色布条逐渐褪色则D瓶中装的是 A浓H2SO4 B sketch template

如右图所示A处通入Cl2关闭B阀时C处湿润的红色布条无变化打开B阀时C处湿润的红色布条褪色则D中的溶液是 A 浓H2SO4 B sketch template

如图所示在A处通入氯气关闭B阀时C处干燥的红布条看不到明显现象当打开B阀后C处于燥的红布条逐渐褪色．则D瓶中盛放的溶液可能是 sketch template

如右图所示A处通入Cl2关闭B阀时C处湿润的红色布条无变化打开B阀时C处湿润的红色布条褪色则D中的溶液是 A 浓H2SO4 B sketch template

2．如图所示A处通入Cl2关闭B阀时C处的红布看不到明显现象开B阀后C处红色布条逐渐褪色则D瓶中装的不可能是 A．浓 sketch template

如图所示若关闭Ⅰ阀打开Ⅱ阀让一种含有氯气的气体经过甲瓶后再通入乙瓶布条不褪色若关闭Ⅱ阀打开Ⅰ阀再通入这种气体布条褪色．甲瓶中所 sketch template

题目海水开�利用的部分过程如图所示．下列说法错误的是 A�苦卤中通入Cl2是为了提取溴B粗盐可采用除杂和重结晶等过程提纯C工业 sketch template

Cl2和SO2是中学化学中常见的气体．1某活动小组设计如图所示的装置图图中夹持和加热装置略去分别研究SO2和Cl2的性质．�从左端通 sketch template

如图所示装置中试管内的FeI2溶液中滴有KSCN溶液实验中控制通入Cl2的速度试管内先观察到紫色后观察到红色下列说法正确的是 sketch template

如图所示装置将Cl2缓慢通人若打开旋塞b则小试管中干燥的品红试纸c不褪色再将b关闭则c不久即褪色由此判断a溶液是A．浓KI溶液B sketch template

如图所示装置中试管内的FeI2溶液中滴有KSCN溶液实验中控制通入Cl2的速度试管内先观察到紫色后观察到红色．下列说法正确的是 sketch template

为了证明在实验室制备Cl2的过程中会有水蒸气和HCl挥�出来甲同学设计了如下图所示的实验装置按要求回答问题�请根据甲同学的意图连接相应 sketch template

某同学用如图所示装置探究SO2的性质及其有关实验．1实验室用亚硫酸钠固体和一定浓度的硫酸反应制备SO2气体写出该反应的化学方程式 sketch template

如图所示节流调速系统中节流阀为薄壁小孔流量系数C = 067油密度ρ=900kg/ Cm3先导式溢流阀调定压力py=12× sketch template

如图A处通入氯气关闭B阀时C处湿润红色布条无变化打开B阀时C处湿润的红色布条褪色．则D中可以盛放足量的 A．浓硫酸B．氢氧化钠 sketch template

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

工业上�500 600℃的铁�中通入氯气生产无水氯化铁．现用如图所示的装置模拟上述过程进行实验．1写出仪器的名称a分液漏斗 b圆底烧瓶 sketch template

如图2所示的电路中电源电压不变开关闭合后若�动变阻器的�片P�右端移动则 A电压表的示数和电流表的示数都增大 B电压表的示数和电流 sketch template

如图所示电路开关S1闭合后S2的断开与闭合使电流表A2的两次示数之比为35由此可知R1与R2的阻值之比为23S2断开再闭合的过程 sketch template

百度教育 sketch template

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 sketch template

如图所示电路�动变阻器�片P�b端�动时A电流表A1示数变大A2示数变小电压表V示数不变B电流表A1示数变小A2示数变小电压表V sketch template

如图所示的电路中若要使灯L1和L2组成并联电路应闭合开关应断开开关 A．S2S3S1B．S1S3S2C．S1S2S3——青 sketch template

33．如图为电磁继电器自动报警电磁继电器的衔铁端部有可控制的触点双�属片是在受热膨胀时自动接通电路的装置要求做到起火后能通过电铃报警请 sketch template

题目如下图所示将氯气和空气以体积比约13混合通入含水8%的碳酸钠中制备Cl2O并用水吸收Cl2O制备次氯酸溶液已知Cl2O极易溶 sketch template

题目已知2Fe2 Br2===2Fe3 2Br Cl2===Br2 2Cl 2Fe3 2I ===2Fe2 sketch template

如图所示的电路中电源电压恒定R1=8ΩR2=12Ω1S1S2都断开时电流表的示数为03A求电源电压2S1S2都闭合时 sketch template

�如图所示的装置中缓慢地通入气体X若关闭活塞K则品红溶液无变化而澄清石灰水变�浊若打开活塞K则品红溶液褪色．X和Y可能是 A B sketch template

如图甲所示，用刻度尺测量一物体的长度，物体的长度为cm；如图乙所示，图中是分度值为01s的机械秒表，其示数是s。 sketch template

有位同学设计了下列实验装置及所用药品如图所示仔细观察后回答下列问题．1在给氧化铁加热时要先通入一氧化碳气体后加热其目的是 ．请 sketch template

如图所示两电流表所用量程不明当电路闭合后电流表A1的示数如图甲所示电流表A2的示数如图乙所示则流过电灯L2的电流为多�——青夏教育 sketch template

实验室用如图所示装置还原CuO从A处通入COB处是CuOC处是澄清石灰水根据实验现象回答下列问题1加热一段时间后在B处可观察 sketch template

2．如图所示电路中R2=10欧R3=20欧电源电压为6V保持不变求1S1S2都打开时通过R2的电流．2S1S2都闭合且 sketch template

�FeI2FeBr2的混合溶液中通入适量氯气溶液中某些离子的物质的量变化情况如图所示．已知2Fe2 Br2=2Fe3 2Br sketch template

如图所示体内气体交换和血液循环示意图图中“→ 示血流方�和气体扩散方�据图回答1肺泡适于进行气体交换的结构特点是肺泡壁毛细血管壁 sketch template

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