Melting and freezing are opposite processes. Melting is the occurrence wherein a solid substance changes to a liquid state. On the other hand, freezing is the change form a liquid state to a solid state. Both processes, however, involve a certain amount of heat in order to proceed....
A. In the case of B. In case C. In case of D. In event of 相关知识点: 试题来源: 解析 A in case of sth.:假使,如果;in case:以防,万一;in event of:如果,以防;三项都不符合题意。in the cause of意为“在,,过程中”。句意:在化学变化中一种新物质生成了。反馈...
___a chemical change a new kind of smaterial is formed.( )A.In the case ofB. In caseC. In case ofD. In event of 相关知识点: 试题来源: 解析 考查介词短语.in the case of:至于…,在……的情况下,就…来说,就……而言;in case 万一,以防;in case of防备; 假如;in event of万一...
___a chemical change a new kind of substance is formedA.In the case ofB.In caseC.In case ofD.In of的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是
A) Melting Iron B) Boiling alcohol C) Evaporating Water D) Burning Coal Changes in Matter: Changes in matter can be classified as either physical or chemical change. Physical changes are those that do not involve changes in the chemical composition o...
asimile 相似 [translate] athose set forth below 下面被指出的那些 [translate] aspained spained [translate] aThe best title for this passage is 19th-Century Family . 正在翻译,请等待... [translate] aIt is hard to explain what is a chemical change 解释是坚硬的什么是化学变化 [translate] ...
解析 substance【答案】substance【核心短语/词汇】substance:物质【翻译】在化学变化中,总是有新的物质形成。【解析】根据题干要求,本题需要表达“在化学变化中,总是有新的物质形成”这一语义。“物质”的英文是“substance”,根据句意,这里用单数。因此本题答案是“substance”。
百度试题 结果1 题目A change in ___ a new substance is formed is called a chemical change.A.whichB.that 相关知识点: 试题来源: 解析 A 反馈 收藏
“LifeHeat” —a self-heating life jacket. After several experiments (实验), Liam and Fraser came across calcium chloride (氯化钙): a chemical (化学品) that creates heat when touching water. The boys put the chemical into a small bag, which can be glued to the inside of a common life...
What is glass made of? The wonders of glass all come down to melting sand. Glass has become so commonplace today that it’s easy to see right through it without a second thought. It’s in our windows, on our screens, in our cabinets, and in many of the devices we interact with eve...