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...
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] ...
<p>To solve the question of identifying the incorrect statement regarding physical and chemical changes, we will analyze each statement provided in the options. </p><p>1. <strong>Understand the Definitions</strong>: - <strong>Physical Change</strong>:
Chemistry is all around us, even in our everyday lives. Here are a few examples: Color Changes Have you ever seen a flower change color or noticed how food changes when cooked? These are all examples of chemical reactions that occur due to changes in the arrangement of atoms and molecules...
百度试题 结果1 题目Chemical (化学) change is a change that produces (生成) ___ substance (物质).相关知识点: 试题来源: 解析 another 反馈 收藏
A. Wax turns into water B. Wax combines with oxygen to form carbon dioxide and water C. Wax turns into hydrogen gas D. Wax turns into oxygen gas 相关知识点: 试题来源: 解析 B。解析:蜡烛燃烧时,蜡与氧气发生化学反应,生成二氧化碳和水,这是蜡烛燃烧这个化学变化的本质。选项A蜡不会单纯地变成水...
Next, this inner layer is washed and whitened using a solution of hydrogen peroxide, bleach or other stronger chemicals. This also helps remove the smell that’s developed from the now decayed, rotten leather. (Remember, the brine only slows the decay – it doesn’t prevent it.) In 2017...
No, cleaning vinegar is a specifically formulated product for cleaning purposes. It is not safe for consumption due to its higher acidity level. Is it safe to mix cleaning vinegar with other household cleaners? Mixing cleaning vinegar with other household cleaners, especially ble...
根据Thanks to chemistry, we know bleach (漂白剂) can’t be mixed with vinegar(醋), because it can produce poisonous gas 两者不能想混说明混合在一起会发生反应而产生对身体不利的东西,故选A。4.这是细节理解题。根据Chemistry plays a big role in food preparation 故选B。5.这是标题归纳题。根据...