试题来源: 解析 D The solution is a mixture of salt and water. 该方法利用盐溶于水而沙不溶的性质进行分离。第一步,将岩盐粉碎并加入温水,盐溶解形成盐水溶液,沙子则沉淀在底部。第二步,过滤将沙子与盐水溶液分离。第三步,蒸发水分,得到盐晶体。因此,溶液是盐和水的混合物,正确答案为D。
Salt ___D_ when it is put in water. The mixture is called a solution.A. solvesB. disappearsC. mixesD. dissolves 相关知识点: 试题来源: 解析 D. dissolves 题目旨在考查盐在水中变化的正确动词。选项逐一分析如下:- **A. solves**:solve 意为“解决”,用于解决问题,与物质溶解无关,排除。- **...
A mixture of a salt solution comprised of a soluble salt of the metal, and a tungsten blue oxide powder is formed. A hydroxide precipitating solution is admixed with the mixture to form a hydroxide precipitate of the metal on the tungsten blue oxide powder. The tungsten blue oxide powder ...
A solution is a mixture of one substance dissolved in another so the properties are the same throughout. A solution is composed of a solute and the solvent. The solute is the substance being dissolved and the solvent is the part of the solution that does the dissolving. The solute is of ...
An electroless method of forming high aspect ratio metal particles includes the steps of mixing a metal or metal salt with at least one acid to form an acidified metal halide salt solution, and mixing the solution with a supersaturated sol to form a sol comprising solution. Metal cations provid...
3 Rock salt is a mixture of sand and sodium chloride.3Sodium chloride is soluble in water but not in hexane.Sand is insoluble in both water and hexane.What is required to separate the sand from the sodium chloride?1 filter paper2 fractionating column3 hexane4 water A 1and3 B. 1and 4...
aSome salt solution with a concentration of 70% is mixed up with some salt solution with a concentration of 58%.And the new solution had a concentration of 62%.If we take 15 more liters of each solution,the mixture we get will have a concentration of 62.25%.How many liters of solutio...
salt water is salt dissolved in water - in such a way that the salt no-longer exists as solid particles within the water. Suspensions - heterogeneous fluid mixtures containing solid particles large enough for sedimentation, which means that the particles (compared with the solute part of a ...
Text SolutionVerified by Experts The correct Answer is:B Show More | ShareSave Answer Step by step video, text & image solution for which of the following is a mixture ? salt,Air,Water,Alum,sugar by Chemistry experts to help you in doubts & scoring excellent marks in Class 9 exams.Updat...
百度试题 结果1 题目(2)This is a mixture water 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 反馈 收藏