In an experiment about dissolving sugar in water, we put sugar in water. What should we do next? A. Add more sugar. B. Stir the water. C. Take out the sugar. D. Add some salt. 相关知识点: 试题来源: 解析 B。把糖放入水中后应该搅拌水。A 选项再加糖不是下一步;C 选项把糖拿出来...
Dissolving sugar in water is anexample of a physical change.Here's why: Achemical changeproducesnew chemical products. In order for sugar in water to be a chemical change, something new would need to result. Achemical reactionwould have to occur. However, mixing sugar and water simply produce...
If you dissolve sugar in water, the sugar disappears. You may think that a new material has been formed. But really there is no new material. The sugar is still sugar. You can still taste it. Dissolving anything is a ( ). 相关知识点: 试题来源: 解析 (1)physical change 反馈 收藏...
The method is intended for treating waste material resulting from the manufacture of sugar-based confectionery (boiled sweets) by dissolving this in water to produce a solution for further utilisation. It comprises mixing the material with water and passing air through the mixt. for a pre-...
1. Make sure the glasses have an equal amount of water. 2. Put a sugar cube into the cold water and stir with the spoon until the sugar disappears. Repeat this process (remembering to count the amount of sugar cubes you put into the w...
根据What you need部分“Sugar (糖)”、“Cold water in a clear glass (装在透明玻璃杯里的冷水)”、“Hot water in a clear glass (装在透明玻璃杯里的热水)”、“Spoon for stirring (搅拌用勺子)”可知,糖,水和勺子都需要,未提及碗。故选D项。 (2)题详解: 细节理解题。根据倒数第二段中“Sugar...
Repeat thisprocess (rememberingto count the amount of sugar you put into the water) until the sugar stops dissolving(溶解). Atthis point, the sugar starts to gather on the bottom of the glass rather than dissolving.Write down how much sugar you could dissolve in the cold water.Repea the ...
ve detailed before, simple syrupis made by dissolving sugar in water; using a simple syrup gives you an easy way to calibrate the sweetness of a drink. (It’s also vital if you want to avoid those annoying granules of sugar that appear when you attempt to dissolve sugar in a cold ...
A soft drink contains 42 g of sugar in 311 g of H_2O. What is the concentration of sugar in the soft drink in mass percent? A solution is prepared by dissolving 6.012 g of sugar in water so that the total mass of the solution is 95.527 g. Calculate the % sugar b...
If you dissolve sugar in water, the sugar disappears. You may think that a new material has been formed. But really there is no new material. The sugar is still sugar. You can still taste it. Dissolving anything is a ( ).如何将EXCEL生成题库手机刷题 ...