When salt is added to water, the water becomes salty. This is because___. A. 七则新县她门统知点因明准色包七则新县她门统知点因明准色包salt makes water heavier七则新县她门统知点因明准色包七则新县她门统知点因明准色包 B. 养利达国层识越气王格统法如点王素养利达国层识越气王格统法如点王...
The sight of ordinary salt dissolved in water is, in all likelihood, entirely familiar to you, as the phenomenon literally dominates the globe. Over two-thirds of Earth's surface is covered by ocean water, which is notably saline, or "salty," in character. ("Sal" is the Latin word for...
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 A。盐溶解在水中是物理变化,因为没有新物质生成,只是盐的状态发生了改变。化学变化会有新物质生成,这里没有。所以不是化学变化,也不是两者都是。反馈 收藏 ...
How much pure salt should be added to produce the solution to 20% salt? How much water must be evaporated from 36 ounces of 7% salt solution to make 9% salt solution? How much water must be evaporated from 24 ounces of a 4% salt solution to make a 6% sa...
为什么您不采取叶子在Anne的书外面,并且有您的头发切开更短? [translate] a我已经在家 I already in home [translate] aSaWhen an inorganic salt is added to mixture of water and a watermiscible SaWhen一粒无机盐增加到混合物水和watermiscible [translate] ...
A. physical change B. chemical change C. reaction D. combination 相关知识点: 试题来源: 解析 A。盐溶解在水中只是状态发生了变化,没有新物质生成,是物理变化。B 化学变化是有新物质生成的变化;C 反应通常指化学变化;D 组合不是物质性质变化的类型。反馈 收藏 ...
When an ionic salt is added to the water then it dissociates in its constituents ions and these ion gets hydrated by the water molecules. The process of surrounding water molecules towards these ions is known as hydration.The hydration plays an important role in the solubility of th...
When salt is dissolved in water, it is a(n) ___. A. Chemical change B. Physical change C. Both A and B D. None of the above 相关知识点: 试题来源: 解析 B。盐溶解在水中是物理变化,因为没有新物质生成,只是盐分子均匀分散在水中。反馈...
Salt ___ when it is put in water. The mixture is called a solution.A.solvesB.disappearsC.mixesD.dissolves的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效
When substances are combined, one of two changes can occur. There can be a physical change or a chemical change. When salt is dissolved in water, you are creating a solution in which salt is the solute and the water is the solvent....