Solved question paper for CHEMISTRY May-2013 (B-TECH 1st-2nd)

Solved Question Paper

Engineering chemistry May-2013

PTU • B-TECH • Information Technology • 1st-2nd • May-2013

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 salts are responsible for temporary and permanent hardness of water?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  2. What is differential air corrosion?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  3. Arrange the following in increasing order of UV absorption maxima.
    Short Answer 2 Marks May-2013 • PTU B-TECH
  4. Name two biodegradable solvents.
    Short Answer 2 Marks May-2013 • PTU B-TECH
  5. What is number average molecular weight?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  6. What is photochemistry?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  7. What is thermal cracking?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  8. What do you understand by nanotechnology?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  9. What do you understand by bathochromic and hypsochromic shifts?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  10. Match each absorption band with the following groups: Functional group C=0 N–H –O–H –C≡C–; v cm–1 3400 2050 1700 3350
    Short Answer 2 Marks May-2013 • PTU B-TECH
  11. Discuss the principles of IR Spectroscopy.
    Long Answer 4 Marks May-2013 • PTU B-TECH
  12. What do you understand by chemical shift?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  13. Explain the concept of fluorescence and phosphorescence with the help of well labelled Jablonski diagram.
    Long Answer 5 Marks May-2013 • PTU B-TECH
  14. What are optical sensors?
    Short Answer 3 Marks May-2013 • PTU B-TECH
  15. What is priming and foaming? Explain.
    Short Answer 4 Marks May-2013 • PTU B-TECH
  16. Discuss the treatment of ground water to be used for domestic purpose.
    Long Answer 2 Marks May-2013 • PTU B-TECH
  17. Explain designing alternative reaction methodology with an example.
    Long Answer 4 Marks May-2013 • PTU B-TECH
  18. Explain Green chemistry and its concepts.
    Long Answer 2 Marks May-2013 • PTU B-TECH
  19. What are biofuels?
    Short Answer 2 Marks May-2013 • PTU B-TECH
  20. “Corrosion of tin metal by Chlorine is rapid and excessive but that of silver is not so”. Why?
    Long Answer 4 Marks May-2013 • PTU B-TECH
  21. What do you understand by stress corrosion? Explain.
    Long Answer 2 Marks May-2013 • PTU B-TECH
  22. What is a composite?
    Short Answer 4 Marks May-2013 • PTU B-TECH
  23. What are the advantages of composites?
    Short Answer 4 Marks May-2013 • PTU B-TECH
  24. Discuss polymer reinforced composites.
    Long Answer 4 Marks May-2013 • PTU B-TECH
  25. Discuss the effect of molecular weight on properties of polymers.
    Long Answer 4 Marks May-2013 • PTU B-TECH
  26. Discuss applications of nanomaterials in medicine.
    Long Answer 4 Marks May-2013 • PTU B-TECH
  27. Explain self assembling materials and two dimensional assemblies.
    Long Answer 4 Marks May-2013 • PTU B-TECH
  28. Discuss the production of propylene.
    Long Answer 4 Marks May-2013 • PTU B-TECH
  29. Give the uses of propylene.
    Short Answer 4 Marks May-2013 • PTU B-TECH
  30. Explain natural gas treatment processes.
    Long Answer 4 Marks May-2013 • PTU B-TECH

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FAQ

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Answers about this subject, solved papers, and preparation.

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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.