38 An organic compound S has the following reactions:. neutralises sodium hydroxide. decolourises aqueous bromine Which structure represents S?B=C—工-O -H Al占舌H1 C - C -O -H BC=A CH-—古H∧H |-O -H DH一一H C -O -H古 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
The main reason why an organic compound is vital is that ___.相关知识点: 试题来源: 解析 it consistently cures a specific deficiency diseaseit consistently cures a specific deficiency disease 解析:文章第二自然段第一句说明此点。作为有机化合物的蛋白质总能治愈营养缺乏症。反馈 ...
Question 11An organic compound is known to contain only carbon, hydrogen and oxygen. The compound contains, by mass, 39.1% of carbon and 8.7% of hydrogen.The number of carbon atoms in the empirical formula is C A. I B. 2 C. 3 D. 4 ...
Actinobacteria, which share the characteristics of both bacteria and fungi, are widely distributed in both terrestrial and aquatic ecosystems, mainly in soil, where they play an essential role in recycling refractory biomaterials by decomposing complex m
PROBLEM TO BE SOLVED: To produce an organic compound by addition or substitution reaction or the like under a mild condition at a high selectivity and in a high yield.平井 成尚中井 康人
The weather man said it would be warm. He must take his reading in a bathroom. D. I stopped at page 412, with 407 pages to go. E. It is incredible that mere ignorance should have achieved such pieces of horror. 查看完整题目与答案 无人机发展的前中期大多应用于个人航空摄影领域中。(...
Can organic synthesis be used to identify whether a compound is an isomer of another compound? Explain. What structural feature distinguishes organic compounds from inorganic compounds? Draw a molecular model of an organic compound and an inorganic compound. What is the IUPAC name for the...
【题目】【改编】Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal (玫瑰红)was first used in the early 1900s as a dye for food, textiles and cosmetics. But ...
For example, US environmental legislation defines a volatile organic compound in terms of its reactivity, whereas corresponding European legislation is based on evaporation into the atmosphere. In food science, the theoretical underpinning of any definition is more closely related to the concept of ...
填空题The main reason why an organic compound is vital is that ___. 参考答案:it consistently cures a specific deficiency disease 点击查看答案解析 延伸阅读 你可能感兴趣的试题 1.填空题Nutritional science ___ three major questions about calcium. 参考答案:...