Carbon is a(n)___ while carbon dioxide is a compound.A. material B. substance C. agent D. element 相关知识点: 试题来源: 解析 D 正确答案:D解析:element n.(化学)元素;成分,要素material n.材料,原料;素材,资料。substance n.物质;实质;要旨,基本内容;根据,理由。agent n.代理人,代理商;(化学...
百度试题 结果1 题目Carbon is a(n) ___ while carbon dioxide is a compound. A. material B. 。 substance C. agent D. 。 E. lement 相关知识点: 试题来源: 解析 d 反馈 收藏
及“The second method of sequestration—indirect—involves the use of plants that bind CO2 by photosynthesis (光合作用) or when carbon compounds are bound in a soil environment.”(第二种间接固碳方法是利用植物通过光合作用固定二氧化碳,或利用碳化合物固定在土壤环境中。)可知,利用植物的光合作用可以间接...
Carbon is an element, while carbon dioxide is a compound. 碳是一种(化学)元素, 而二氧化碳则是一种化合物. 来自《简明英汉词典》 16. The lime water has turned cloudy, therefore carbon dioxide has been produced during the experiment. 石灰水变得混浊了, 可见在实验中有二氧化碳生成了. 来自《简明英汉...
Activated Carbon (C) is an inorganic compound. Activated Carbon (C) is a black, porous solid that is odorless and tasteless. It appears as a powder or granules and is highly adsorbent, making it useful in various applications. Activated carbon has been known for centuries, though its formal...
CONSTITUTION:Steel fibers are used as metal fibers in a carbon-metal composite material contg. the metal fibers in the carbonaceous matrix and a structure based on a normalized structure and/or a hardened structure is rendered to the metal structure. When the carbon-metal composite material is ...
IS COMPOUND C ANOTHER CARBON MONOXIDE COMPLEX OF CYTOCHROME c OXIDASE?11This work was supported by grant no. A-0412 from the Canadian National Research Council.Peter Nichollss
The compound which does not belong to one carbon unit as follow is. A. -CH3 B. =CH2
Carbon monosulfide is a chemical compound with the formula CS. This diatomic molecule has been observed as a gas both in the laboratory and in the interstellar medium,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量
6.[单选题]The compound which does not belong to one carbon unit as follow is.A-CH3B=CH2C=CH-DCO2 相关知识点: 试题来源: 解析 D 该题考查对“一碳单元”的理解。一碳单元是指在生物化学反应中作为一个整体转移的含有一个碳原子的基团。选项A、B、C分别代表甲基、亚甲基和甲撑,都是常见的一碳...