not cause any change of substance to the provisions of the Bill. legco.gov.hk 其他修訂則屬技術性質,只是草擬㆖的改 進,不會構成條例草案條文的實質變 更。 legco.gov.hk The change of the chemical potential of a substance in ideal and real solutions and the reason for spontaneous mixing ...
A. changes into a different substance B. changes its taste C. changes its shape or size D. makes you sick 相关知识点: 试题来源: 解析 C。解析:“A physical change is when a substance changes its shape or size, but it is still the same substance.”。 反馈...
A change in which a substance changes its physical form but not its chemical composition is called a ___. A. physical change B. chemical change C. nuclear change D. biological change 相关知识点: 试题来源: 解析 A。“physical change”指“物理变化”,物质改变物理形态但化学组成不变;“chemical...
答案:A 提示: 该题考查短语动词和时态.take place表示“发生”是一短语动词,该句用来说明一物理现象,应用一般现在时态,由主句的一般现在时态,可以确定从句也应用一般现在时态.句意为:每当发生化学变化,就有一种新的物质生成. 分析总结。 takeplace表示发生是一短语动词该句用来说明一物理现象应用一般现在时态由主句...
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. physical properties B. chemical properties C. color D. shape 相关知识点: 试题来源: 解析 B。物质发生化学变化时,其化学性质会改变。选项 A 物理性质在化学变化中不一定改变,选项 C 颜色可能改变但不具有普遍性,选项 D 形状改变不一定意味着是化学变化。反馈...
百度试题 结果1 题目A c___ change takes place in any substance(物质) when it burns.相关知识点: 试题来源: 解析 知识点:单词拼写chemical 反馈 收藏
When a substance undergoes a chemical reaction, there is a change in ___. A. physical properties only B. chemical properties only C. both physical and chemical properties D. neither physical nor chemical properties 相关知识点: 试题来源: 解析 C。解析:物质发生化学反应时,物理性质和化学性质都会...
A c___ (化学的)change takes place in any substance when it burns. 答案 参考答案:chemical 结果三 题目 A c___ (化学的) change takes place in any substance when it burns. 答案 chemical 相关推荐 1A c___ (化学的)change takes place in any substance when it burns. 2A c___ (化学的)...
When we burn a piece of paper, it is a chemical change because a new substance is formed. Which word can describe this process? A. Create B. Destroy C. Transform D. Replace 相关知识点: 试题来源: 解析 C。解析:在燃烧纸张这个化学变化过程中,纸张变成了其他物质,这是一种转变的过程。“...