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 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
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
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,通常第一步是称量混合物,这样可以得到混合物的初始质量等数据。A选项加水溶解盐不是第一步;B选项过滤混合物是在溶解之后...
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。
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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 A mixture of sugar and salt is in the ratio 3: 2The weight of the mixture is 150 grams.(a)Calculate the weight of sugar and the weight of salt in the mixture.(3) 30 grams of sugar and 10 grams of salt are added to the mixture.(b)Calculate the ratio of sugar to salt in...
The use of the mixture of a salt and sugar in the manufacture of a medicament employed for treating lax vagina syndrome or colpoxerosis disease in a mammal. Various tests, vaginal smooth muscle contractility test using New Zealand White Rabbit; (Experimental example 1); the effect on the ...