During a chemical experiment, if the liquid in the test tube starts to boil over, we should ___. A. add more liquid immediately B. remove the heat source quickly C. shake the test tube vigorously D. cover the test tube tightly 相关知识点: 试题来源...
When we boil water, it changes from liquid to ___. A. solid B. liquid C. gas D. none of the above 相关知识点: 试题来源: 解析 C。此题考查水的状态变化。当我们煮水时,水从液态变为气态(gas)。选项 A 是固态;选项 B 是液态,不符合变化;选项 D 以上都不对,不正确。反馈...
Experiment X shows a liquid boiling at 100°C. Experiment Y shows the same liquid boiling at 80°C. What's the difference? A. The temperature in experiment X is lower than in experiment Y. B. The temperature in experiment Y is lower than in experiment X. C. The liquids in the two ...
百度试题 结果1 题目When we boil water, it turns into steam. Steam is ___. A. a gas B. a liquid C. a solid D. nothing 相关知识点: 试题来源: 解析 A。水沸腾变成蒸汽,蒸汽是一种气体。反馈 收藏
A liquid is considered to be boiling when: a. it begins to vaporize. b. equilibrium between the liquid and the vapor phase exists. c. its vapor pressure equals the pressure applied on the liquid. d. its vapor pressure equals one atmosphere. ...
Then you move to Los Angeles where the altitude is 87 meters above sea level. What happens to the boiling point? A liquid is considered to be boiling when: a. it begins to vaporize. b. equilibrium between the liquid and the vapor phase exists. c. its vapor pressure equa...
百度试题 结果1 题目If you spill hot liquid on your skin it willyou.A. scaldB. boilC. scorchD. bake 相关知识点: 试题来源: 解析 A 反馈 收藏
A device serving to boil of the impure liquid, particularly those which, during the boiling point, a deposit of the sludge or solid materials, and in particular of the preparations celluloséesKESTNER HERMANN
Bring to a simmer on the top of the stove. Cover and place in the oven, adjusting the heat so that the liquid simmers very slowly for three to four hours. The meat is done when a fork pierces it easily. While the meat is cooking, prepare the onions and mushrooms and set them aside...
v. join together or make things join together to become a single thing (使)融合;(使)结合 n. an object in electrical equipment yhat makes it stop working when there is too much electricity flowing through it 保险丝 intermediary [ntrmi:dieri] ...