End of Module 17 Quiz
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Question 1 of 22
1. Question
This set of apparatus is used to..?
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Question 2 of 22
2. Question
What is the function of porous pot in Daniel Cell..?
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Question 3 of 22
3. Question
State all the cations in copper(ii) sulphate solution..
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Question 4 of 22
4. Question
Electrolysis of copper(ii) sulphate solution produced colourless bubble gas. What is it..?
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Question 5 of 22
5. Question
Reduction happens at the:
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Question 6 of 22
6. Question
This electrode in a voltaic cell gains mass:
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Question 7 of 22
7. Question
This electrode in a voltaic cell loses mass:
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Question 8 of 22
8. Question
In a voltaic cell, the half cell that receives anions from the salt bridge is:
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Question 9 of 22
9. Question
What unit of measurement do we use to measure electrical potential?
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Question 10 of 22
10. Question
Which of the elements would be the cathode in a battery with these two elements?
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Question 11 of 22
11. Question
In which direction does electricity flow in a voltaic cell (battery)?
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Question 12 of 22
12. Question
Which of the following is the balanced half -reaction for the oxidation of Cu to Cu+2?
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Question 13 of 22
13. Question
In the reaction
2Ca(s) + O2(g) –> 2CaO(s), calcium is __________CorrectIncorrect -
Question 14 of 22
14. Question
In electrolytic cell, anode electrode is connected to…
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Question 15 of 22
15. Question
In electrolytic cell, anode will attract…
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Question 16 of 22
16. Question
The process in which electrical energy is used to bring about a chemical change:
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Question 17 of 22
17. Question
An electrochemical cell that is used to convert chemical energy into electrical energy:
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Question 18 of 22
18. Question
Which ion can be most easily oxidized:
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Question 19 of 22
19. Question
What occurs to the mass of copper electrode in the following reaction?
Zn/Zn+2 // Cu+2/CuCorrectIncorrect -
Question 20 of 22
20. Question
Which metal is the negative electrode?
Zn/Zn+2 // Cu+2/CuCorrectIncorrect -
Question 21 of 22
21. Question
What does the double line mean?
Zn/Zn+2 // Cu+2/CuCorrectIncorrect -
Question 22 of 22
22. Question
Calculate the standard cell potential.
Ni + 2Fe+3 —-> Ni+2 + Fe+2CorrectIncorrect