A. carbon only B. carbon and hydrogen C. carbon, hydrogen, oxygen, nitrogen, and other elements D. carbon and oxygen 相关知识点: 试题来源: 解析 C。原因:“Organic compounds are made up of carbon, hydrogen, oxygen, nitrogen, and other elements.”,有机化合物由碳、氢、氧、氮和其他元素组...
7 Many organic compounds contain carbon, hydrogen and oxygen only.(a)An organic compound V has the following composition by mass.C48.65%;H,8.11%:O 43.24%Calculate the empirical formul a of compound V.empirical formula...(b)Compound W has the empirical formul a CH,O and a relative molecu...
【题文】 Carbon is a chemical element which is present in organic compounds that make us organisms, plants as well as fossil. It is a vital component of the greenhouse gas CO2, the highest percentage of the global warming gas in the atmosphere. These Green House Gases (GIIGs) along with...
百度试题 结果1 题目【判断题】Organic compounds are made up of only hydrogen and carbon 相关知识点: 试题来源: 解析 错误 反馈 收藏
carbon-containing compounds C. metallic compounds D. non-metallic compounds 相关知识点: 试题来源: 解析 B。解析:文章开头就提到“Organic chemistry is a branch of chemistry that deals with the study of carbon-containing compounds.”,所以有机化学是研究含碳化合物的学科。反馈 收藏 ...
Plants absorb water and carbon dioxide, and, using light energy, _ organic compounds. A. protect them from B. convert them into C. drive them into D. force them into 相关知识点: 试题来源: 解析 句意:植物吸收水分和二氧化碳,并利用光能将其转化为有机化合物。 A. 保护它们免受... B. 将...
Dictionary of Organic Compounds: The Constitution and Physical, Chemical and Other Properties of the Principal Carbon Compounds and Their Derivatives, Together with Relevant Literature ReferencesA human generation is sometimes reckoned at about 30 years. The first edition of the Dictionary of Organic ...
aAs the name implies, carbohydrates are organic compounds containing carbon, hydrogen,and oxygen. Basically, all carbohydrates are derived by the photosynthetic reduction ofCO2, 因为名字暗示,碳水化合物是包含碳、氢和氧气的有机化合物。 基本上,所有碳水化合物获得由光合作用减少ofCO2, [translate] ...
Combination of organic compounds by carbon chains in different ways, can be broadly classified into three categories 翻译结果3复制译文编辑译文朗读译文返回顶部 Combination of organic compounds by carbon chains in different ways, can be broadly classified into three categories 翻译结果4复制译文编辑译文朗读...
Althoughthenumberoforganiccompoundsisvast,thestudyoforganicchemistryisgreatlysimplifiedbythefactthatthechemistryofcarboncompoundscanbeorganizedaround“functionalgroups”,eachofwhichimpartssimilaritiesin chemicalproperties.Hydrocarbons Thesimplestorganiccompoundsarethosecontainingonlycarbonandhydrogen.Suchcompoundsareknownas...