What is the main gas released during a volcanic eruption? A. Oxygen B. Nitrogen C. Sulfur dioxide D. Hydrogen 相关知识点: 试题来源: 解析 C。火山喷发时主要释放的气体是二氧化硫,选项 A 是氧气,选项 B 是氮气,选项 D 是氢气。反馈 收藏 ...
The atmosphere is the gaseous envelope that surrounds our planet. Approximately 78% of this gas is nitrogen and 21% is oxygen, while argon makes up less than 1%, and the remains are split between other gases (like carbon dioxide and methane) and water vapor....
百度试题 结果1 题目What gas do we breathe out? A. oxygen B. nitrogen C. carbon dioxide D. hydrogen 相关知识点: 试题来源: 解析 C。解析:我们呼气的时候呼出二氧化碳。文章中有提到“We breathe out carbon dioxide when we exhale.”。
1) gas does not enter the upper tower after nitrogen expansion, so it will not directly affect the rectification working condition of the upper tower, and its superheat after expansion can be higher than that of air expansion, the pressure after expansion can also be lower than that of air ...
What is the main gas in the air we breathe? A. oxygen B. nitrogen C. carbon dioxide D. hydrogen 相关知识点: 试题来源: 解析 B。我们呼吸的空气中主要的气体是氮气。选项 A“oxygen(氧气)”含量不如氮气多,选项 C“carbon dioxide(二氧化碳)”含量较少,选项 D“hydrogen(氢气)”不是主要气体。
Nitrogengasmay be referred to as LIN or LN in its liquid form, and GAN or GN in its gaseous form, Gaseousnitrogenis valued for inertness, and it is used to shield potentially reactive materials from contact with oxygen. Nitrogen gasdoes not easily react with a lot ofelementsas it is an...
What is the main gas in the atmosphere? A. Oxygen. B. Nitrogen. C. Carbon dioxide. D. Hydrogen. 相关知识点: 试题来源: 解析 B。大气中的主要气体是氮气,所以答案是 B。A 选项氧气含量比氮气少;C 选项二氧化碳含量较少;D 选项氢气在大气中的含量极少。
The gaseous form of water is called What are the two main gases in the atmosphere? What is the coldest gas? What do all the noble gases have in common? What is the scientific name and chemical formula for limestone? What is the formula of nitrogen gas?
What is the main gas in the earth's atmosphere? A. Oxygen B. Nitrogen C. Carbon dioxide D. Helium 相关知识点: 试题来源: 解析 B。解析:地球大气中的主要气体是氮气“Nitrogen”。氧气“Oxygen”含量次之;二氧化碳“Carbon dioxide”含量较少;氦气“Helium”含量极少。
What gas is mainly responsible for climate change? A. Oxygen B. Nitrogen C. Carbon dioxide D. Hydrogen 相关知识点: 试题来源: 解析 C。二氧化碳是主要的温室气体,对气候变化负有主要责任。选项 A 氧气不是导致气候变化的主要气体。选项 B 氮气也不是。选项 D 氢气不是主要的导致气候变化的气体。