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
The water will become ice C. The salt will change into sugar D. The water will turn into milk 相关知识点: 试题来源: 解析 A。解析:在这个句子中,根据常识我们知道把盐放入水中搅拌,盐会溶解消失。A选项在语法和逻辑上都是正确的。B选项水变成冰需要冷冻而不是加盐搅拌,从逻辑上不符合。C选项盐不...
A. The water overflowed. B. The salt didn't dissolve. C. The water could still hold it. D. The container broke. 相关知识点: 试题来源: 解析 C。解析:“We were surprised to see that even though we added a lot of salt, the water could still hold it.”说明当老师加更多盐时,水仍然...
If we add salt to water, what will happen to the boiling point of the water? A. It will increase. B. It will decrease. C. It will stay the same. D. The water will not boil anymore. 相关知识点: 试题来源: 解析 A。解析:向水中加盐会使水的沸点升高。B 选项不会降低;C 选项会改变...
A. The salt will disappear. B. The water will become black. C. The salt will float on the water. D. The water will boil. 相关知识点: 试题来源: 解析 A。本题考查自然科学实验中的常见现象。在实验中,把盐放入水中搅拌,盐会溶解消失,A 选项符合。B 选项水不会变黑;C 选项盐会溶解不是漂浮...
A. The egg will sink to the bottom immediately B. The egg will float on the salt water C. The egg will dissolve in the salt water D. The E. gg will turn into a hard - boiled egg 相关知识点: 试题来源: 解析 B。解析:盐水的密度比普通水的密度大。当把生鸡蛋放入盐水中时,如果盐水的...
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Salt and Water: The Basics Water (H2O) consists of the elements hydrogen (denoted by H on the periodic table of elements) and oxygen (O) in a 2-to-1 molar ratio. This means that there are two H atoms for every O atom in water. Because an oxygen is about 16 times more ma...
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