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...
B. Stir the mixture. C. Take out the salt. D. Add more water. 相关知识点: 试题来源: 解析 B。本题考查对科学实验步骤的理解。A 选项把杯子放在太阳下与这个实验步骤无关;C 选项拿出盐不符合实验下一步;D 选项再加更多的水也不是下一步。B 选项搅拌混合物是在加水和加盐后合理的下一步。
I am doing an experiment. I need a glass of water, a spoon and some salt. What should I do first? A. Add salt to the water. B. Put the spoon in the water. C. Pour water into the glass. 相关知识点: 试题来源: 解析 C。首先应该把水倒进杯子里,这是进行实验的第一步。A 选项...
Answer to: What effect does adding soap to water have on the surface tension of water? By signing up, you'll get thousands of step-by-step...
What happens when a base is added to pure water? How do you prepare a 0.1 L of a 0.1 M NaCl solution? Describe the process in writing. How does adding salt to water affect the boiling point? Where salt is or goes, water follows. Why?
Salt does not dissolve in oil. Does adding salt to oil before frying? During the frying process, salt acts as a catalyst and accelerates oxidation. This causes the oil to become darker in color and release off-flavors, which affects the taste of the food. ... To prevent oil degradation,...
B. It dissociates into sodium ions and chloride ions. C. It turns into gas. D. It remains unchanged. 相关知识点: 试题来源: 解析 B。中文解析:“When salt is dissolved in water, it dissociates into sodium ions and chloride ions.”,盐溶解在水中会解离成钠离子和氯离子。反馈 收藏 ...
百度试题 结果1 题目实验题。 (3)If you mix salt with water, what will happen?相关知识点: 试题来源: 解析 正确答案:The salt will dissolve in the water.反馈 收藏
What salt water does to housesIn the wake of Hurricane Sandy, many people have flood damage on their minds.Fox News
Why is a salt bridge used in a galvanic cell? What does it prevent? Explain why adding enough EDTA to a water sample containing an indicator would cause the water sample to change color. Which one of the following mixtures would result in a buffered solu...