Some substances are soluble in water. Which of the following is highly soluble in water? A. Oil B. Sugar C. Carbon D. Sand 相关知识点: 试题来源: 解析 B。糖易溶于水。油、碳和沙子都不溶于水。本题考查物质的溶解性,阅读中要注意“soluble in”这个短语。
In the process of food spoilage, some substances are oxidized. Which of the following is likely to be an oxidizing agent in this process? A. Oxygen in the air B. Water in the food C. Lipids in the food D. Proteins in the food ...
"All substances are poisons; there is none that is not a poison. The right dose differentiates a poison and a remedy" [Paracelsus (1493-1541), the ... J Dippel 被引量: 0发表: 2009年 Global hamnonisation of food regulations While inthe 16th century it was already well-known that "All...
Which of the following substances are excluded by “drugs” according to this article? A. Some kind of wine. B. Coffee. C. Cigarette. D. Penicillin. 相关知识点: 试题来源: 解析 D 正确答案:D 解析:第2段的开头部分描述了一些我们没有意识到能上瘾的物质,如生活中的烟、酒、咖啡和部分药片等...
aThe substances are divided into three categories (black, grey, orange) in the List which is presented in article 8. 物质被划分成三个类别 (黑,灰色,橙色) 在文章8上被提出的名单。[translate]
aHowever, substances which are absent in the epididymal luminal fluid are found in epididymal blood, a discrepancy similar to that which exists between similar compartments . 然而,是缺席在epididymal luminal流体的物质在epididymal血液,差误被找到相似于存在相似的隔间之间的那。 [translate] ...
百度试题 结果1 题目12 Which two substances are the products of photosynthesis? D A carbon dioxide and glucose B carbon dioxide and water C oxygen and carbon dioxide D oxygen and glucose 相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目r___n. a process in which one or more substances are changed into others 相关知识点: 试题来源: 解析 eaction 反馈 收藏
搜索智能精选题目Non-gaseous substances which ___ naturally as pure elements, such as gold, are rare and are often highly valued.(1分) A. happen B. occur C. perceive D. assume答案B.occur
Lewis Acids: Lewis acids are substances which can accept electrons and so they are electron deficient. Of the given compounds, {eq}CO_3^{+},\ \... Learn more about this topic: The Bronsted-Lowry and Lewis Definition of Acids and Bases ...