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下列关于实验室氢气的制取、收集、临时存放的实验装置中，正确的是（ ）
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实验室制取氢气有如下步骤①检查装置的气密性②加稀硫酸③加入锌粒④收集⑤收集验纯⑥打开活塞开始反应正确
①③②④⑤⑥
①③②⑥⑤④
①②④⑥③⑤
①②③⑤⑥④
下图是实验室制取气体的一些装置据图回答有关问题1写出指定仪器的名称①_______2实验室用双氧水和
关于下列各实验装置的叙述中不正确的是
装置①可用于实验室制取少量NH
3
或O
2
可用从a处加水的方法检验装置②的气密性
实验室不可用装置③收集HCl
验证溴乙烷发生消去反应生成烯烃的实验可利用装置④进行
某校化学兴趣小组学习了气体的制取和收集后对相关知识进行总结请你一起参与并完成下面题目1写出下列仪器名
.某兴趣小组根据下列装置进行实验请你参与并回答1写出标号仪器的名称①___②__2若用A.装置制取氧
请根据下列装置图回答有关问题①实验室用B.C装置制取二氧化碳的化学方程式为.②实验室用高锰酸钾制取氧
现有A.B.C.D.E.五种装置请回答下列问题1实验室制取并收集氧气应选择的装置是______和__
下列关于CO2气体的制取收集临时存放的实验装置中正确的是
②④⑥
②④⑤
①⑤⑥
②③⑤
实验室制取氢气可用锌粒跟稀硫酸反应该反应的化学方程式是实验室制取二氧化碳的反应发生装置填能或不能用来
下列关于实验室制取气体的说法中正确的是
实验室可以用块状石灰石和稀硫酸大量制取二氧化碳
收集氨气可以用排水法
实验室制取任何气体都可以用二氧化锰作催化剂
实验室用稀硫酸和锌粒制取的氢气比用稀盐酸和锌粒制取的氢气纯净。
下列关于气体的制取收集临时存放的实验装置中正确的是
②④⑤
②④⑥
①⑤⑥
②③⑤
.关于下列各实验装置的叙述中正确的是
装置①不可用于实验室制取少量NH
3
或O
2
可用从a处加水的方法检验装置②的气密性
实验室可用装置③收集HCl
验证溴乙烷发生消去反应生成烯烃的实验可利用装置④进行
根据下列实验装置图回答问题1写出a的仪器名称______2在加入药品之前应对实验装置进行______
如图是实验室常见的制取气体的装置1写出上图中带标号仪器的名称①________2实验室用A.装置来制
下图是实验室常用的制取气体的发生装置和收集装置用序号填空1实验室制取二氧化碳的发生装置是收集装置为实
下列关于CO2气体的制取收集临时存放的实验装置中正确的是
②④⑤
②④⑥
①⑤⑥
②③⑤
实验室常用下列装置来制取氧气1写出图中有标号仪器的名称a_________b________cd2用
下图是实验室制取气体的一些装置据图回答有关问题1写出指定仪器的名称①_______2实验室用双氧水和
有关氧气和氢气的实验室制法下列说法正确的是
反应都是分解反应
反应都需加热
都可用排水法收集
制取装置可以相同
根据下列实验装置图回答问题1写出a的仪器名称2在加入药品之前应对实验装置进行3实验室用高锰酸钾制取O
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