Solved question paper for CHEMISTRY Dec-2009 (B-TECH 1st-2nd)

Solved Question Paper

Engineering chemistry Dec-2009

PTU • B-TECH • Information Technology • 1st-2nd • Dec-2009

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. Cause of chemical shift in NMR.
    Very Short Answer 2 Marks Dec-2009 • PTU B-TECH
  2. Specifications for water to be used for drinking purpose.
    Short Answer 2 Marks Dec-2009 • PTU B-TECH
  3. What is priming and foaming?
    Very Short Answer 2 Marks Dec-2009 • PTU B-TECH
  4. Difference between Galvanic cell and Electrolytic cell.
    Short Answer 2 Marks Dec-2009 • PTU B-TECH
  5. Corrosion is reverse to extraction. Justify.
    Short Answer 2 Marks Dec-2009 • PTU B-TECH
  6. What is meant by metastable equilibrium?
    Very Short Answer 2 Marks Dec-2009 • PTU B-TECH
  7. Photosensitized reactions?
    Very Short Answer 2 Marks Dec-2009 • PTU B-TECH
  8. Difference between GC and HPLC technique of chromatography.
    Short Answer 2 Marks Dec-2009 • PTU B-TECH
  9. Cause of alkalinity of sea water.
    Very Short Answer 2 Marks Dec-2009 • PTU B-TECH
  10. Advantages and limitations of lime soda process.
    Short Answer 2 Marks Dec-2009 • PTU B-TECH
  11. Describe method involved in treatment of water required for industries.
    Long Answer 4 Marks Dec-2009 • PTU B-TECH
  12. State any two difference between hot and cold lime soda process.
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  13. What is soil corrosion? What are the factors that affects soil corrosion?
    Long Answer 4 Marks Dec-2009 • PTU B-TECH
  14. Explain mechanism of rusting of iron in acidic and neutral environment.
    Long Answer 4 Marks Dec-2009 • PTU B-TECH
  15. Describe various kinds of supports used in columns and their properties.
    Long Answer 4 Marks Dec-2009 • PTU B-TECH
  16. Give schematic diagram of HPLC apparatus showing various parts.
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  17. Define emf. How is the emf of a cell determined?
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  18. Derive an expression for the emf of a concentration cell.
    Long Answer 4 Marks Dec-2009 • PTU B-TECH
  19. What do you understand by term spin-spin coupling? Is the coupling constant independent of the applied field or depend on it?
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  20. Indicate diagrammatically the splitting of signals in NMR spectra of CH3Br-CHBr2, CH3-CHBr2 and CH3-CH2Br.
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  21. What type of molecules give pure rotational spectra? Derive expression for frequency of rotational lines.
    Long Answer 4 Marks Dec-2009 • PTU B-TECH
  22. What type of molecules exhibit vibrational-rotational spectra and why?
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  23. How does CO2 system differ from water system?
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  24. Explain the terms Eutectic point, Eutectic composition, constant boiling mixture, triple point.
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  25. A sample of gaseous HI was irradiated by light of wavelength 253.7 nm when 307 J of energy was found to decompose 1.30 x 10^-3 moles of HI. Calculate quantum yield for the dissociation of HI.
    Short Answer 4 Marks Dec-2009 • PTU B-TECH
  26. State and explain Einstein law of photochemical equivalence. What is meant by quantum yield of a photochemical process.
    Long Answer 4 Marks Dec-2009 • PTU B-TECH

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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.