Water can exist in three states: solid, liquid, and gas. What is the state of water at room temperature? A. Solid. B. Liquid. C. Gas. D. Sometimes solid and sometimes liquid. 相关知识点: 试题来源: 解析 B。解析:在室温下,水的状态是液体。选项 A 固体不对;选项 C 气体不对;选项 ...
What is the state of water at room temperature? A. solid B. liquid C. gas D. plasma 相关知识点: 试题来源: 解析 B。在室温下,水是液态。水在 0 摄氏度以下是固态;100 摄氏度以上是气态;通常情况下不是等离子态。本题考查物质的状态。
When it is heated to 100∘C, the PH of water - AIncreases BDecreases CRemains same DDecreases up to 5∘C and then increases.Submit What is the physical state of water at : (a) 25∘C ? (b) 0∘C ? (c ) 100∘C ? View Solution What is the physical state of water ...
(a) The physical state of water at 25∘C is liquid. (b) 0∘C is the melting point of ice (which is a solid) as well as the freezing point of water (which is a liquid). So, the physical state of water at 0∘C can be either a solid (as ice) or liquid). (c ) ...
Water can exist in three states: solid, liquid, and gas. What is the solid state of water called? A. Water vapor B. Ice C. Steam D. Mist 相关知识点: 试题来源: 解析 B。解析:The solid state of water is called ice. Water vapor is the gaseous state. Steam is also a gaseous ...
Mostly vapor C. Mostly ice D. There was no water at all 相关知识点: 试题来源: 解析 B。解析:早期地球温度很高,水在这种高温环境下大多以水蒸气的形式存在。A选项在早期高温下不可能大多为液态。C选项早期地球温度高,不可能大多为冰。D选项根据科学研究,早期地球是有水存在的,只是以水蒸气形式居多。
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He drinks what is left in his glass as if it were water... 他把杯子里剩下的东西当水一样全喝了下去。 柯林斯高阶英语词典 He moved carefully over what remained of partition walls. 他小心翼翼地跨过残余的隔墙。 柯林斯高阶英语词典 'Dad?' — 'What?' — 'Can I have the car tonight?' ...
百度试题 结果1 题目Water is a liquid at room temperature. What state is it in at very low temperatures? A. solid B. gas C. plasma D. liquid 相关知识点: 试题来源: 解析 A。在很低的温度下,水会凝固成固体。反馈 收藏
4.Thanks to Mr. Wang and the passengers, the man was saved by the doctors in time. 多亏了王先生和乘客,那个人被医生及时得救。 5.He only thought about saving a life. 他只考虑到了救一个人的命。 Section B 1.Aron is an American man ...