Solved question paper for CHEMISTRY May-2019 (B-TECH 1st-2nd)

Solved Question Paper

Engineering chemistry May-2019

PTU • B-TECH • Information Technology • 1st-2nd • May-2019

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. Write a short note on various wavelength shifts shown by organic molecules in UV-Vis spectroscopy.
    Short Answer 2 Marks May-2019 • PTU B-TECH
  2. How can UV spectroscopy distinguish between ethylbenzene and styrene?
    Short Answer 2 Marks May-2019 • PTU B-TECH
  3. Write notes on rocking and wagging vibrations.
    Short Answer 2 Marks May-2019 • PTU B-TECH
  4. What do you mean by Doppler broadening? Give its reasons.
    Short Answer 2 Marks May-2019 • PTU B-TECH
  5. Write in brief about emergence of Green Chemistry.
    Short Answer 2 Marks May-2019 • PTU B-TECH
  6. What is meant by photochemical processes?
    Short Answer 2 Marks May-2019 • PTU B-TECH
  7. Give examples of photochemical processes.
    Short Answer 2 Marks May-2019 • PTU B-TECH
  8. What are coercing colloids? How are they formed?
    Short Answer 2 Marks May-2019 • PTU B-TECH
  9. How will you classify crude oil?
    Short Answer 2 Marks May-2019 • PTU B-TECH
  10. Write about stress corrosions in brief.
    Short Answer 2 Marks May-2019 • PTU B-TECH
  11. Write a detailed note on Fermi Resonance.
    Long Answer May-2019 • PTU B-TECH
  12. Discuss the reasons for shielding and deshielding of protons in PMR. Why are aromatic protons more deshielded than vinylic protons?
    Long Answer May-2019 • PTU B-TECH
  13. Write a detailed note on optical sensors.
    Long Answer May-2019 • PTU B-TECH
  14. Write a detailed note on priming and foaming in water.
    Long Answer May-2019 • PTU B-TECH
  15. Discuss alternative solvents in detail with examples.
    Long Answer May-2019 • PTU B-TECH
  16. Write about ultrasonic radiations in Green synthesis with examples.
    Long Answer May-2019 • PTU B-TECH
  17. Write in detail about supramolecular photochemistry.
    Long Answer May-2019 • PTU B-TECH
  18. Describe designing of safer chemicals with an example being used on commercial scale.
    Long Answer May-2019 • PTU B-TECH
  19. Elaborate in detail with examples about future perspectives of chemistry at nanoscale.
    Long Answer 8 Marks May-2019 • PTU B-TECH
  20. Differentiate between concentration cell corrosion and differential aeration corrosion.
    Long Answer May-2019 • PTU B-TECH
  21. What are regular and irregular polymer structures? Discuss the chemistry behind regularity and irregularity of polymer structures.
    Long Answer May-2019 • PTU B-TECH
  22. Describe the composition of crude oil, emphasising on hydrocarbon and non-hydrocarbon components present in it.
    Long Answer May-2019 • PTU B-TECH
  23. Write a note on self-assembling nanoscale materials.
    Long Answer May-2019 • PTU B-TECH
  24. Discuss the chemistry and mechanism of wet corrosion.
    Long Answer May-2019 • PTU B-TECH
  25. Write a note on mesoscaleself-assemblies.
    Long Answer May-2019 • 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.