A chemical change, also known as achemical reaction, is a process in which one or more substances are altered into one or more new and different substances. In other words, a chemical change is a chemical reaction involving the rearrangement of atoms. While a physical change can often be re...
In chemistry there are usually two types of changes that can take place: physical and chemical. Physical are those that are usually less difficult and can usually be undone easily, even if over time. Chemical change, however, takes place when the internal make-up or the molecules of the obj...
While it's not always easy to tell achemical changehas occurred (as opposed to aphysical change), there are some telltale signs. Chemical changes may cause a substance to: Change color Change temperature Produce bubbles Produceprecipitate(in liquids) Chemical changes can also be considered to be...
chemical(chemistry) change, not a physical one. 相关知识点: 试题来源: 解析 答案:chemical.考查单词填空.根据句意:这是化学变化,而不是物理变化.可知填入形容词chemical作名词change的定语,故答案为chemical. 这是化学变化,而不是物理变化.反馈 收藏
chemical change 听听怎么读 英[ˈkemikəl tʃeindʒ] 美[ˈkɛmɪkəl tʃendʒ] 是什么意思 释义 化学变化; 英英释义 chemical change n.(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved...
difference (i.e.nochangeinthechemicalcomposition of the grease after use) legco.gov.hk legco.gov.hk (i) 已使用的潤滑油樣本,其主要化學成份與新的潤滑 油比較,並沒有出現重大差異。 legco.gov.hk legco.gov.hk [...]macroscopic level of chemistry, such as patternsofchange,observations in various...
Achemical changetakes place in any substance when it burns. 物质燃烧时产生化学变化. 互联网 Thechemical changeoff heat and light. 这种化学变化发出热和光. 互联网 展开全部 英英释义 Noun 1. (chemistry) any process determined by the atomic and molecular composition and structure of the substances inv...
Inorganic chemistry, another important branch of Chemistry Topics, deals with the properties and behavior of inorganic compounds and elements.Importance of Chemical Change and Differentiate Between Physical and Chemical ChangesThose changes in which new substances are formed, are called chemical changes. ...
short changevt -changed, -changing (给顾客)少找钱 少给钱,克扣 change password【计】 改变口令 change upn. 投手为使打击手打空而投的缓慢球 最新单词 cast sth into the shade的中文解释使某事黯然失色 cast sth in sb's teeth怎么翻译及发音以某事对某人发难 ...
解析 化学变化是:a chemical change 希望对你有助,很高兴能够帮到你, 分析总结。 希望对你有助很高兴能够帮到你结果一 题目 是a chemistry change 还是a chemical change 答案 化学变化是:a chemical change希望对你有助,很高兴能够帮到你,相关推荐 1是a chemistry change 还是a chemical change ...