Read and download free pdf of CBSE Class 12 Chemistry Electro Chemistry Questions. Get printable school Assignments for Class 12 Chemistry. Class 12 students should practise questions and answers given here for Unit 03 Electrochemistry Chemistry in Class 12 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 12 Chemistry prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 12 Chemistry Unit 03 Electrochemistry
Class 12 Chemistry students should refer to the following printable assignment in Pdf for Unit 03 Electrochemistry in Class 12. This test paper with questions and answers for Class 12 Chemistry will be very useful for exams and help you to score good marks
Unit 03 Electrochemistry Class 12 Chemistry Assignment
17. State one difference between a primary battery and secondary battery.
18. Galvanized iron does not corrode even if the coating of zinc is broken. Explain why?
19. Write the unit of Faraday constant.
20. Write the name of a chemical substance which is used to prevent corrosion.
[Ans. : Bisphenol]
21. Show is the direction of flow of electrons in the following cell : Zn (s) | Zn2+ (aq) || Ag+ (aq) | Ag (s)
22. Rusting of iron becomes quicker in saline water?
23. Two metals A and B have reduction potential values of – 0.25V and 0.80V respectively. Which of these will liberate hydrogen gas from dilute H2SO4?
24. Express the relation between conductivity and molar conductivity.
25. Name the cell which was used in Apollo space programme.
26. How many faradays are required to oxidise 1 mole of H2O to O2.
[Ans. : 2F]
SA (I) TYPE QUESTIONS (2 - MARK QUESTIONS)
1. List two points of difference between metallic conductance and electrolyticc onductance.
2. List two points of difference between electrochemical cell and electrolytic cell.
3. List two factors which affect the conductivity of ionic solutions.
4. A conventional method of representing a Daniel cell is :
Zn (s) | Zn2+ (1M) || Cu2+ (1M) | Cu (s).
(i) Draw a diagram of the cell and mark anode and cathode as currentis drawn from the cell.
(ii) Write the reactions taking place at the cathode and the anode during the operation of Daniel cell.
5. Suggest a method to determine the °m value of water.
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CBSE Class 12 Chemistry Unit 03 Electrochemistry Assignment
We hope you liked the above assignment for Unit 03 Electrochemistry which has been designed as per the latest syllabus for Class 12 Chemistry released by CBSE. Students of Class 12 should download and practice the above Assignments for Class 12 Chemistry regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 12 Chemistry practice sheet in Pdf. All questions have been designed for Chemistry by looking into the pattern of problems asked in previous year examinations. You can download all Revision notes for Class 12 Chemistry also absolutely free of cost. Lot of MCQ questions for Class 12 Chemistry have also been given in the worksheets and assignments for regular use. All study material for Class 12 Chemistry students have been given on studiestoday. We have also provided lot of Worksheets for Class 12 Chemistry which you can use to further make your self stronger in Chemistry.
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All topics given in Unit 03 Electrochemistry Chemistry Class 12 Book for the current academic year have been covered in the given assignment
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Latest syllabus issued for current academic year by CBSE has been used to design assignments for Unit 03 Electrochemistry Class 12
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