

水的性质
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
水的三种状态是什么?
Back
固态、液态、气态
2.
FLASHCARD QUESTION
Front
水的化学式是什么?
Back
H₂O
3.
FLASHCARD QUESTION
Front
水在4℃时的密度特性是什么?
Back
在101kPa时,水在4℃时密度最大。
4.
FLASHCARD QUESTION
Front
水的物理变化与化学变化的区别是什么?
Back
物理变化不改变物质的化学性质,而化学变化则会改变物质的化学性质。
5.
FLASHCARD QUESTION
Front
水的沸点是多少摄氏度?
Back
100℃(在标准大气压下)
6.
FLASHCARD QUESTION
Front
水的冰点是多少摄氏度?
Back
0℃(在标准大气压下)
7.
FLASHCARD QUESTION
Front
水的分子结构是由什么组成的?
Back
水分子由两个氢原子和一个氧原子组成。
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