8/13/2019 Test Ch 7 Sq 9 Testyourself

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Test Chemistry Marks:25Class 9

thChapter 07 Electrochemistry

Attemptany 12 questions

1. Define electroplating?2. How electroplating of zinc is carried out?3. What is the difference of corrosion and rusting?4. What do you mean by galvanizing?5. What is the advantage of galvanizing?6. What happens to iron in the rusting process?7. Explain the role of O2in rusting8. Where does the sodium metal is collected in down

cell.9. Which ions are discharged at cathode in Nelson's cell

and what is produced at cathode?10.How half cells of the galvanic cell are connected?

What is function of salt bridge?11.In electrolysis of water where is the oxygen

produced?12.Differentiate between a strong electrolyte and weak

electrolyte?13.What type of reaction takes place at anode in

electrolytic cell?

Test Chemistry Marks:25

Class 9th

Chapter 07 Electrochemistry

Attemptany 12 questions

1. Define electroplating?2. How electroplating of zinc is carried out?3. What is the difference of corrosion and rusting?4. What do you mean by galvanizing?5. What is the advantage of galvanizing?6. What happens to iron in the rusting process?7. Explain the role of O2in rusting8. Where does the sodium metal is collected in down

cell.9. Which ions are discharged at cathode in Nelson's cell

and what is produced at cathode?10.How half cells of the galvanic cell are connected?

What is function of salt bridge?11. In electrolysis of water where is the oxygen

produced?

12.Differentiate between a strong electrolyte and weakelectrolyte?

13.What type of reaction takes place at anode inelectrolytic cell?

Test Chemistry Marks:25

Class 9th

Chapter 07 Electrochemistry Attemptany 12 questions

1. Define electroplating?2. How electroplating of zinc is carried out?3. What is the difference of corrosion and rusting?4. What do you mean by galvanizing?5. What is the advantage of galvanizing?6. What happens to iron in the rusting process?7. Explain the role of O2in rusting8. Where does the sodium metal is collected in down

cell.9. Which ions are discharged at cathode in Nelson's cell

and what is produced at cathode?10.How half cells of the galvanic cell are connected?

What is function of salt bridge?11. In electrolysis of water where is the oxygen

produced?12.Differentiate between a strong electrolyte and weak

electrolyte?13.What type of reaction takes place at anode in

electrolytic cell?

Test Chemistry Marks:25

Class 9th

Chapter 07 Electrochemistry Attemptany 12 questions

1. Define electroplating?2. How electroplating of zinc is carried out?3. What is the difference of corrosion and rusting?4. What do you mean by galvanizing?5. What is the advantage of galvanizing?6. What happens to iron in the rusting process?7. Explain the role of O2in rusting8. Where does the sodium metal is collected in down

cell.9. Which ions are discharged at cathode in Nelson's cell

and what is produced at cathode?10.How half cells of the galvanic cell are connected?

What is function of salt bridge?11.In electrolysis of water where is the oxygen

produced?12.Differentiate between a strong electrolyte and weak

electrolyte?13.What type of reaction takes place at anode in

electrolytic cell?