
碳、氢、氧元素Quizz
Authored by lala la
Chemistry
9th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列关于金刚石、石墨、C60的说法不正确的是()
它们都是电的良导体
石墨质软,可作铅笔芯
C60是一种新型的单质
金刚石硬度大,可切割大理石
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鉴别氧气、氢气、二氧化碳最简单的方法是()
用带火星的木条
用燃着的木条
用澄清石灰水
用天平称质量
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
实验室制取氢气,选用下列哪组试剂最适宜
锌和稀硫酸
镁和稀盐酸
铁和浓盐酸
电解水
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列关于氢气的性质描述中,错误的是
氢气具有可燃性
氢气是最轻的气体
氢气难溶于水
氢气是一种金属元素
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氧气是一种无色无味的气体,下列关于氧气的说法中不正确的是:
氧气能支持燃烧
氧气不易溶于水
氧气可用于急救病人
氧气是空气中含量最多的气体
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2023年,中国空间站任务将开展神舟十六号、神舟十七号载人飞船发射及天舟六号货运飞船发射。在空间站的生活离不开氧气,下列有关氧气的叙述正确的是()
氧气的化学性质很不活泼
氧气极易溶于水
空气中含量最多的气体是氧气
氧气能供给呼吸
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2010年"世界环境日"的主题是"促进低碳经济",警示温室效应对人类的危害。现已证实引起温室效应的主要气体是
02
N2
H2
CO2
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