百度试题 题目Salt water is a mixture, both the salt and the water___separate compounds. 盐水是混合物,盐和水都是单独的化合物。(“分词”作状语)相关知识点: 试题来源: 解析 remaining 反馈 收藏
Salt water is a/an ___. A. element B. compound C. mixture D. solution 相关知识点: 试题来源: 解析 D。盐水是溶液。选项 A“element”是元素;选项 B“compound”是化合物;选项 C“mixture”是混合物,盐水严格来说是溶液;选项 D“solution”是溶液。反馈...
百度试题 结果1 题目(2)This is a mixturewater and salt.这是一种由水和盐构成的混合物。 相关知识点: 试题来源: 解析 consisting of/made up of∴CN 反馈 收藏
The meaning of SALT is a crystalline compound NaCl that consists of sodium chloride, is abundant in nature, and is used especially to season or preserve food or in industry —called also common salt. How to use salt in a sentence.
In a mixture, the ratio of salt to water is 0.25 : 1. If there is 1 liter of water, how much salt is there? A. 0.25 liters B. 0.5 liters C. 0.75 liters D. 1 liter 相关知识点: 试题来源: 解析 A。比例为 0.25 : 1,1 升水对应的盐就是 0.25 升。
When salt is dissolved in water, it forms a solution. What do we call the substance that is dissolved (in this case, salt)? A. Solvent B. Solute C. Mixture D. Compound 相关知识点: 试题来源: 解析 B。解析:在溶液(solution)中,被溶解的物质叫做溶质(solute),这里盐是溶质。溶剂(solvent)...
Salt, Air, Water, Alum, Sugar Solution Answer: Air Two matters do not combine with chemically called mixture. Air is the mixture of gases like N2, O2, H2. Alum is an addition compound (pure) (K2SO4. Al2(SO4)3.24H2O). Salt is a compound, (pure). Chemical formula of common sal...
2. That's amixture(mix) of water, sugar and salt. 相关知识点: 试题来源: 解析 答案见上 结果一 题目 2. That's a(mix) of water, sugar and salt. 答案 2. That's amixture(mix) of water, sugar and salt.相关推荐 12. That's a(mix) of water, sugar and salt....
A. add water to the mixture B. heat the mixture directly C. use a magnet to attract the sand D. pour the mixture into a filter paper 相关知识点: 试题来源: 解析 A。解析:在分离盐和沙的混合物时,通常第一步是加水。因为盐可溶于水,而沙不溶,这样就能通过后续步骤进一步分离。选项B直接加热...
In the experiment of separating a mixture of salt and sand, the first step is usually ___. A. adding water to dissolve the salt B. filtering the mixture C. evaporating the water D. weighing the mixture 相关知识点: 试题来源: 解析 D。解析:在分离盐和沙的混合物实验中,通常第一步是称量...