Solved question paper for CHEMISTRY May-2010 (B-TECH 1st-2nd)

Solved Question Paper

Engineering chemistry May-2010

PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2010

engineering chemistry previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for engineering chemistry, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for engineering chemistry previous year question paper while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.

Solved Questions

Solved
  1. What is break point chlorination?
    Short Answer 2 Marks May-2010 • PTU B-TECH
  2. Bolt and nut made of same material is preferred in practice. Why?
    Short Answer 2 Marks May-2010 • PTU B-TECH
  3. What is R value in chromatography?
    Short Answer 2 Marks May-2010 • PTU B-TECH
  4. An aqueous solution of copper sulphate is acidic in nature. Why?
    Short Answer 2 Marks May-2010 • PTU B-TECH
  5. What are the dark reactions?
    Short Answer 2 Marks May-2010 • PTU B-TECH
  6. Corrosion is reverse to extraction. Explain.
    Short Answer 2 Marks May-2010 • PTU B-TECH
  7. Define and explain degree of freedom.
    Short Answer 2 Marks May-2010 • PTU B-TECH
  8. Why is TMS used as an internal standard for NMR?
    Short Answer 2 Marks May-2010 • PTU B-TECH
  9. Why is water softened by zeolites unfit for use in boilers?
    Short Answer 2 Marks May-2010 • PTU B-TECH
  10. Mention two limitations of phase rule.
    Short Answer 2 Marks May-2010 • PTU B-TECH
  11. What are ion exchange resins?
    Short Answer May-2010 • PTU B-TECH
  12. Discuss their application in water softening.
    Long Answer May-2010 • PTU B-TECH
  13. How are spent resins regenerated?
    Short Answer May-2010 • PTU B-TECH
  14. Explain the process of galvanization of iron. How does it prevent the corrosion of iron?
    Long Answer May-2010 • PTU B-TECH
  15. Outline the difference in hydrogen embrittlement and pitting corrosion with suitable examples.
    Long Answer May-2010 • PTU B-TECH
  16. Explain partition chromatography.
    Long Answer May-2010 • PTU B-TECH
  17. Explain paper chromatography.
    Long Answer May-2010 • PTU B-TECH
  18. Explain thin layer chromatography.
    Long Answer May-2010 • PTU B-TECH
  19. What are secondary cells?
    Short Answer May-2010 • PTU B-TECH
  20. Describe the construction of one secondary cell.
    Long Answer May-2010 • PTU B-TECH
  21. A cell consists of two hydrogen electrodes. The negative electrode is in contact with a solution of 10^-4 M hydrogen ions. The EMF of the cell is 0.118 V at 25°C. Calculate the concentration of hydrogen ion at positive electrode.
    Long Answer May-2010 • PTU B-TECH
  22. Describe and discuss Jablonski diagram for depicting various photo processes.
    Long Answer May-2010 • PTU B-TECH
  23. What are the conditions required for laser action to take place?
    Short Answer May-2010 • PTU B-TECH
  24. Describe optical pumping of lasers.
    Long Answer May-2010 • PTU B-TECH
  25. Explain processes that contribute to the finite width of a spectral line.
    Long Answer May-2010 • PTU B-TECH
  26. What are different kinds of electronic transitions?
    Short Answer May-2010 • PTU B-TECH
  27. Explain chromophores and auxophores.
    Short Answer May-2010 • PTU B-TECH
  28. Give the high resolution 1H NMR of methyl ethyl ether.
    Long Answer May-2010 • PTU B-TECH
  29. Write short notes on chemical shift.
    Short Answer May-2010 • PTU B-TECH
  30. Write short notes on magnetic resonance imaging.
    Short Answer May-2010 • PTU B-TECH
  31. What is condensed phase rule?
    Short Answer May-2010 • PTU B-TECH
  32. When is condensed phase rule applied?
    Short Answer May-2010 • PTU B-TECH
  33. Draw a neat labelled phase diagram of water system and explain areas, curves and triple points on it.
    Long Answer May-2010 • PTU B-TECH

Explore all data

FAQ

Frequently Asked Questions

Answers about this subject, solved papers, and preparation.

Updated regularly
01 Where can I find engineering chemistry previous year question papers for Bachelor of Technology, 1st-2nd semester?

This page lists engineering chemistry question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.

02 Are these official Punjab Technical University question papers?

BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.

03 How can previous year engineering chemistry papers help in exam preparation?

Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.

04 What kind of topics does engineering chemistry usually cover?

The question papers here relate to the official engineering chemistry syllabus set by the university for this course and semester.

05 Does this page include a engineering chemistry previous year question paper or solved answers?

This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.

06 Can I find papers for other subjects in the same Bachelor of Technology?

Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.