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 D...
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。
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 ...
百度试题 结果1 题目If for water is equal to 23.4H, what is the CED for water?相关知识点: 试题来源: 解析 答:CED=2= 23.42=547.56cal/cm3。反馈 收藏
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 ...
So, the physical state of water at 0∘C can be either a solid (as ice) or liquid). (c ) 100∘C is the boiling point of water (which is a liquid) as well as the condensation temperature of steam (which is a gas). So, the physical state of water at 100∘C can be ...
What is the boiling point of water? A. 0 degrees Celsius. B. 32 degrees Fahrenheit. C. 100 degrees Celsius. D. 212 degrees Fahrenheit. 相关知识点: 试题来源: 解析 C。水的沸点是 100 摄氏度,所以答案是 C。A 选项是水的冰点;B 选项是 32 华氏度,是水的冰点对应的华氏温度;D 选项是 212 ...
百度试题 结果1 题目What is the boiling point of water? A. 50°C B. 100°C C. 150°C D. 200°C 相关知识点: 试题来源: 解析 B. 100°C 反馈 收藏
1. What is the chemical(化学)___(符号) of water?2. Come ___(进入) the house. It's raining
1. What is the chemical(化学)___(符号) of water?(Come___(进入) the house. It's raining outside.相关知识点: 试题来源: 解析 1.symbol 2.into 水的化学符号是 H₂O,表示每个水分子由两个氢原子和一个氧原子组成。题目中“进入”的英文对应词是 “into”,因为 “into” 表示进入某个空...