Making a milkshake is Chemical change or Physical Change? 相关知识点: 试题来源: 解析 Physical Change 结果一 题目 Making a milkshake is Chemical change or Physical Change? 答案 Physical Change相关推荐 1Making a milkshake is Chemical change or Physical Change?反馈 收藏 ...
百度试题 结果1 题目___ is a chemical change. (burn) 相关知识点: 试题来源: 解析 Burning [解析] 考查动名词。句意:燃烧是一种化学变化。is是系动词,该空须填句子主语,用动名词做句子的主语,单词位于句首,首字母大写。故填Burning。反馈 收藏 ...
A. a chemical change is always faster. B. a physical change does not change the appearance of a substance. C. a chemical change produces new substances. D. a physical change always requires heat. 相关知识点: 试题来源: 解析 C。解析:化学变化和物理变化的区别是化学变化产生新物质。A 不一定...
5 (a) State if each of the following is a physical or chemical change.(i) Rusting of iron nail(ii) Toasting a slice of bread...(iii) Boiling a kettle of water xx(iv) Decay of food[2](b) Give two reasons to explain your answer for part (a)(i).[2] 相关知识...
When milk turns sour, it is a ___. A. physical change B. chemical change C. both physical and chemical change D. neither physical nor chemical change 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“When milk turns sour, it is a chemical change.”。
A chemical change is different from a physical change because in a chemical change ___. A. the appearance changes B. the composition changes C. the size changes D. the weight changes 相关知识点: 试题来源: 解析 B。化学变化与物理变化不同在于化学变化中物质的组成发生了变化。反馈 ...
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...
百度试题 结果1 题目___is a chemical change. (burn) 相关知识点: 试题来源: 解析 Burning 反馈 收藏
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...