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化学研究小组用如图实验装置验证物质的某些性质并收集气体． （1）写出下列仪器的名称：a （2）组装仪器，检査气密性．关闭K2，打开K1，开始实验．写出C装置中反应的化学方程式 ．为收集干...
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根据上图回答问题1如图仪器A.可用于收集或贮存少量气体或用于做某些气体性质实验仪器A.的名称是___
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根据图回答问题1仪器A.可用于收集或贮存少量气体或用于做某些气体性质实验仪器A.的名称是.2如图B.
某活动小组用下列三套装置进行O2CO2的实验室制法和一些性质的研究1他们要用KMnO4来制取O2选择
根据下图回答问题1如图仪器A可用于收集或贮存少量气体或用于做某些气体性质实验仪器A的名称是.2如图B
右图是实验室制取气体常用的装置⑴若用A.装置制取氧气反应的化学方程式为_______________
为了探究AgNO3的热稳定性某化学兴趣小组设计了如下实验用如图所示的实验装置A.加热AgNO3固体产
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某兴趣小组利用下列装置进行实验室制取和收集气体的实验请回答1写出标号仪器的名称①②.2若选择高锰酸钾
化学实验中经常要根据实验内容选择对应的仪器和装置.1将下列操作还需要配合使用的另一种仪器如图甲所示用
某研究性学习小组设计的实验装置如图既可用于制取气体又可用于验证物质性质.1当打开K1关闭K2时利用Ⅰ
实验室制取气体的思路和方法探究总结实验室制取氧气和二氧化碳的有关知识可归纳出实验室制取气体的思路和方
氧气是一种化学性质比较活泼的气体它可以与许多物质发生化学反应.如图1是探究氧气化学性质的实验装置.1
某兴趣小组同学共同设计了如下图所示的实验装置既可用于制取气体又可用于验证物质的性质请回答下列问题1利
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实验室选用下图所示装置制取和收集气体根据要求回答下列问题1实验室用B装置制取氧气时有关的化学反应方程
某兴趣小组利用下列装置进行实验室制取和收集气体的实验请回答1写出标号仪器的名称①②.2若选择高锰酸钾
实验室常用如图所示的装置注意集气瓶不得倒置收集气体若被收集的气体从a管进入集气瓶下列气体物质中不适宜
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某兴趣小组利用下列装置进行实验室制取和收集气体的实验请回答1指出仪器名称①②.2若用过氧化氢溶液制取
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