CHEMICAL CELL怎样分辨anode?

Q2 F5 CHE 28/5

Quiz
•
Chemistry
•
6th Grade
•
Easy
Amber Homework
Used 2+ times
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ECS位子比较高
ECS位子比较低
battery长的
battery短的
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
怎样分辨reducing agent?
捐electron
收electron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ELECTROLYRTIC CELL 的anode是
negative terminal
positive terminal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chemical cell
Chemical energy to electrical energy
electrical energy to Chemical energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
___ OH- -> O2+ 2H2O + 4e-
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cu2+ + 2e- -> Cu
blue solution become paler
blue solution is formed.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cu -> Cu2+ + 2e-
blue solution become paler
blue solution does not change
blue solution is formed.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pairs of metal in electrolytic cell is _____.
same
different
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