Question Paper
Class / Subject: Class 10 (ICSE) · Chemistry
Chapter: Chapter 6 — Chapter 6: Electrolysis
Time Allowed: 32 minutes
Max Marks: 16
1. What is electrolysis? [1]
(A) Using electric current to cause chemical decomposition
(B) Using heat to cause decomposition
(C) A type of physical change only
(D) No chemical change occurs
2. Where do cations move during electrolysis? [1]
(A) To the cathode
(B) To the anode
(C) Nowhere, they stay still
(D) Out of the solution
3. Where do anions move during electrolysis? [1]
(A) To the anode
(B) To the cathode
(C) Nowhere, they stay still
(D) Out of the solution
4. What occurs at the cathode? [1]
(A) Reduction (gain of electrons)
(B) Oxidation (loss of electrons)
(C) No reaction
(D) Only heating
5. What occurs at the anode? [1]
(A) Oxidation (loss of electrons)
(B) Reduction (gain of electrons)
(C) No reaction
(D) Only heating
6. What do Faraday's laws relate? [1]
(A) Charge passed to substance deposited
(B) Temperature to pressure
(C) Only colour changes
(D) Nothing useful
7. What is electroplating an application of? [1]
(A) Electrolysis
(B) Combustion
(C) Neutralisation
(D) Distillation
8. Why learn about electrolysis? [1]
(A) For its industrial applications like electroplating
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is electrolysis? [1]
(A) Using electric current to cause chemical decomposition
(B) Using heat to cause decomposition
(C) A type of physical change only
(D) No chemical change occurs
10. Where do cations move during electrolysis? [1]
(A) To the cathode
(B) To the anode
(C) Nowhere, they stay still
(D) Out of the solution
11. Where do anions move during electrolysis? [1]
(A) To the anode
(B) To the cathode
(C) Nowhere, they stay still
(D) Out of the solution
12. What occurs at the cathode? [1]
(A) Reduction (gain of electrons)
(B) Oxidation (loss of electrons)
(C) No reaction
(D) Only heating
13. What occurs at the anode? [1]
(A) Oxidation (loss of electrons)
(B) Reduction (gain of electrons)
(C) No reaction
(D) Only heating
14. What do Faraday's laws relate? [1]
(A) Charge passed to substance deposited
(B) Temperature to pressure
(C) Only colour changes
(D) Nothing useful
15. What is electroplating an application of? [1]
(A) Electrolysis
(B) Combustion
(C) Neutralisation
(D) Distillation
16. Why learn about electrolysis? [1]
(A) For its industrial applications like electroplating
(B) No reason
(C) It's not useful
(D) Only for tests