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Class 12 Chemistry Practice Test: Electrochemistry
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Class 12 Chemistry Practice Test: Electrochemistry
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15 Questions

1. Which of the following is not a characteristic feature of a salt bridge?
2. Which of the following statements is correct regarding Electrochemical cells?
3. Which of the following statements regarding primary cells is false?
4. Which of the following conditions are satisfied when the cell reaction in the electrochemical cell is spontaneous?
5. Which of the following is a not a secondary cell?
6. When no current is drawn through an electrochemical cell, the sum of the electrode potentials of the two electrodes is called cell emf. True or False?
7. When no current is drawn through an electrochemical cell, the sum of the electrode potentials of the two electrodes is called cell emf. True or False?
8. When equilibrium is reached inside the two half-cells of the electrochemical cells, what is the net voltage across the electrodes?
9. What is the observation when the opposing external applied potential to an electrochemical cell is greater than the cell’s potential?
10. Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?
11. Which of the following is not a generally used electrolyte in the salt bridges used to connect the two half-cells of an electrochemical cell?
12. When equilibrium is reached inside the two half-cells of the electrochemical cells, what is the net voltage across the electrodes?
13. An electrochemical cell can only convert electrical energy to chemical energy.
14. An electrochemical cell generally consists of a cathode and an anode. Which of the following statements is correct with respect to the cathode?
15. Which of the following is not a type of electrochemical cell?

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