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)剂。
【题目】Carbon DioxideCarbon dioxide is a compound in which two oxygen atoms are connected to a carbon atom.At normal temperatures it is a colourless gas. Carbon dioxide is an important part of the carboncycle and essential for life on Earth. _1 Plants use the sunlight and take up the ...
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
Carbon dioxide is a colorless gas that exists in our atmosphere. It is a naturally-occurring compound composed of one carbon atom and two oxygen atoms.
(redirected fromcarbon dioxide) Dictionary Thesaurus Medical Encyclopedia Wikipedia Related to carbon dioxide:Carbon dioxide poisoning AcronymDefinition CO2Carbon Dioxide CO2Coaxial Optical Converter CO2Consideration Of Others CO2Cineastes Organization Osaka(Osaka, Japan) ...
Carbon dioxide is not found on the periodic table of elements. This is because it's a compound made from the atoms of more than one element. A carbon... Learn more about this topic: Carbon Dioxide | Definition, Formula & Properties ...
Carbon dioxide (CO(2)) and carbon monoxide (CO) gases are emitted during the combustion of varioue fuels. Carbon monoxide is poisonous because it is capable of forming a complex with haemoglobin (carboxyhaemoglobin), which is more stable than the oxygen-
Carbon dioxide is fixed in View Solution Ammonia gas is collected by downward displacement of ... . View Solution Carbon dioxide is a compound. View Solution Carbon dioxide is lighter than air. View Solution Carbon dioxide is liberated during View Solution ICSE-CARBON AND ITS COMPOUNDS...
In carbon dioxide absorbent compound ones, or the improvement which it is relatedDisclosed is a carbon dioxide absorbent formulation comprising: a pharmaceutically acceptable hydroxide essentially free of sodium, potassium and barium hydroxides; calcium and/or magnesium chloride; a hardening agent; and a...
(Li2O). Sometimes, a new compound might form when an element is exposed to an existing compound. For example, when pure elemental sodium (Na) is submerged into liquid water (H2O), a reaction occurs, resulting in the formation of sodium hydroxide (NaOH) and the release of hydrogen gas. ...