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Q2 F5 CHE 28/5

Authored by Amber Homework

Chemistry

6th Grade

Used 2+ times

Q2 F5 CHE 28/5
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CHEMICAL CELL怎样分辨anode?

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.

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