水在密閉容器中,蒸發速率與凝結速率相同時,稱為什麼平衡?

8下4-2可逆反應與平衡

Quiz
•
Chemistry
•
8th Grade
•
Hard
王嘉銘 老師
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
動態
動感
動腦
動靜
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
正反應與逆反應同時進行的化學反應,稱為什麼?
可怕反應
可逆反應
可憐反應
可愛反應
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個為可逆反應的符號?
→
←
⇋
=
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
無水的硫酸銅是什麼顏色?
綠色
粉紅色
藍色
白色
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
無水的硫酸銅遇到水之後,會變成什麼顏色?
綠色
粉紅色
藍色
白色
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鉻酸根離子(CrO42-)在水溶液中是什麼顏色?
橘紅色
黃色
藍色
白色
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二鉻酸根離子(Cr2O72-)在水溶液中是什麼顏色?
橘紅色
黃色
藍色
白色
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