Solved question paper for CHEMISTRY Dec-2010 (B-TECH 1st-2nd)
Solved Question Paper
Engineering chemistry Dec-2010
PTU • B-TECH • Electrical Engineering • 1st-2nd • Dec-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.
PART A
1. Spectroscopy and its Applications:
An introduction UV/Visible Spectroscopy: Selection rules; Line widths and intensity of spectral lines; Principle and instrumentation; Electronic Transitions; Chromophores & auxochromes; Factors affecting λMax & intensity of spectral lines; Franck-Condon principle; Applications. IR Spectroscopy: Principle and instrumentation; Vibrational frequency; Fundamental modes of vibrations and types; Anharmonics; Factors affecting vibrational frequency; Applications. NMR Spectroscopy: Principle & instrumentation; Chemical shift; Spin-Spin Splitting; High-resolution NMR spectrum (PMR only). (7)
2. Photochemistry:
Introduction; Photo-physical & photochemical processes; Light sources in photochemistry; Beer-Lambert Law; Laws of Photochemistry; Quantum yield (primary and overall); Primary and secondary photochemical reactions; Jablonski diagram; Semiconductor photochemistry, Photovoltaic cells, Introduction to optical sensors, Introduction to supra-molecular photochemistry. (5)
3. Water and its Treatment:
Boiler feed water: Specification, Scales and sludge fermentation; Priming & foaming; Different methods of the water purifications and softening; Desalination of water; Water for domestic use: Specification; Disinfection of water.
4. Green Chemistry and its Applications:
Introductory overview - Definition and concepts of Green chemistry; Emergence of Green chemistry; Twelve principles of Green Chemistry with emphasis on the use of alternative feedstock (biofuels); Use of innocuous reagents in natural processes; Alternative solvents; Design of the safer chemicals; Designing alternative reaction methodology. Microwave and ultrasonic radiation in Green synthesis - Minimizing energy consumption. (4)
PART B
5. Corrosion and its Prevention:
Introduction; Different types of corrosion - Wet and Dry corrosion; Different types of surface films; Mechanisms of wet corrosion; Galvanic corrosion; Galvanic Series; Concentration cell corrosion and differential aeration corrosion; Soil and microbial corrosions; waterline, stress corrosions; Various methods of corrosion control. (5)
6. Polymers and Reinforced Composites:
Introduction; Functionality; Types of polymerization; Specific features of polymers; Structures - regularity and irregularity; Tacticity of polymers; Average molecular weights and size; Determination of molecular weight by number average method; Effect of molecular weight on the properties of polymers; Introduction to polymer reinforced composite. (5)
7. Nanochemistry:
Introduction; Materials self-assembly; Molecular vs. materials self-assembly; Self-assembling materials; Two-dimensional assemblies; Mesoscale self-assembly; Coercing colloids; Nanocrystals; Supramolecular structures; Nanoscale materials; Future perspectives. (5)
8. Petrochemicals:
Introduction; First, second & third generation petrochemicals; Primary Raw Materials for Petrochemicals. Natural gas: Natural gas treatment processes; Natural gas liquids; Properties of natural gas; Crude oil: Composition of crude oil- Hydrocarbon compounds; Non-hydrocarbon compounds; Metallic Compounds, Crude oil classification; Physical separation processes; Conversion processes; Production of ethylene and propylene
Solved Questions
Solved-
What do you understand by R, value?Short Answer 2 Marks Dec-2010 • PTU B-TECH
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Differentiate phosphorescence from fluorescence.Short Answer 2 Marks Dec-2010 • PTU B-TECH
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May 2022 Differentiate between fluorescence and phosphorescence.
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Dec 2016 Give the difference between fluorescence and phosphorescence.
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May 2015 What is fluorescence and how is it different from phosphorescence?
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Dec 2014 What is the difference between fluorescence and phosphorescence?
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May 2013 What is fluorescence and how it is different from phosphorescence?
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May 2011 Compare fluorescence with phosphorescence.
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Dec 2011 Differentiate fluorescence from phosphorescence.
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May 2005 Distinguish between Fluorescence and phosphorescence.
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What is the range of IR radiation used for IR spectrometer? What type of information is obtained from IR study of organic molecule?Short Answer 2 Marks Dec-2010 • PTU B-TECH
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What happens when temporary hard water is boiled? Write the chemical reactions.Short Answer 2 Marks Dec-2010 • PTU B-TECH
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May 2014 What happens when temporary hard water is boiled? Write chemical equations.
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Dec 2012 What happens when temporary hard water is boiled? Write chemical equations.
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What is dry corrosion?Short Answer 2 Marks Dec-2010 • PTU B-TECH
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Dec 2018 What is waterline corrosion?
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Dec 2016 What is waterline corrosion?
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May 2015 What is Corrosion? Discuss the factors affecting corrosion.
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May 2013 What is differential air corrosion?
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May 2013 What do you understand by stress corrosion? Explain.
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May 2013 What is wet corrosion?
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May 2013 What are the factors which affect corrosion?
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May 2012 What do you understand by Galvanic corrosion?
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May 2012 What is galvanic corrosion?
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May 2011 What is wet corrosion?
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Dec 2011 What do you understand by corrosion and stress corrosion?
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Dec 2010 What do you understand by wet corrosion?
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What is the difference between critical point and triple point?Short Answer 2 Marks Dec-2010 • PTU B-TECH
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May 2015 State the difference between critical point and triple point.
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Dec 2011 What is the difference between critical point and triple point?
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What do you understand by MRI?Short Answer 2 Marks Dec-2010 • PTU B-TECH
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Why impure metal corrodes faster than pure metal under identical conditions?Short Answer 2 Marks Dec-2010 • PTU B-TECH
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May 2008 Why alloys are more resistant to corrosion than pure metals?
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What is over voltage?Short Answer 2 Marks Dec-2010 • PTU B-TECH
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May 2014 What is over voltage?
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May 2012 What is overvoltage? Discuss the factors affecting overvoltage value.
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May 2011 Explain the concept of overvoltage.
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Discuss quantum yield.Short Answer 2 Marks Dec-2010 • PTU B-TECH
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Dec 2018 What is quantum yield?
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Dec 2017
Define quantum yield. Give its mathematical expression.
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May 2016 Define quantum yield.
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May 2015 Define quantum yield. What are the reasons for low and high quantum yield?
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Dec 2015 Define quantum yield.
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Dec 2012 What is quantum yield?
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Dec 2008 Define quantum yield and explain with specific examples.
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Dec 2005 What do you understand by quantum yield?
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Discuss ion exchange method for water softening.Long Answer Dec-2010 • PTU B-TECH
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May 2016 Discuss in details different methods for softening of water.
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Dec 2016 Discuss the cation and anion exchange resins, and their usefulness for water softening.
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Dec 2016 Explain any two methods of water softening.
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May 2014 Describe Zeolite method for softening of water.
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Dec 2012 Describe ion exchange method for softening of water.
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May 2011 Describe Zeolite method for softening of water.
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Dec 2007 Describe the ion exchange process of softening hard water. What are its advantages?
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How desalination of water can be achieved by reverse osmosis?Long Answer Dec-2010 • PTU B-TECH
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May 2022 Explain the desalination of water by reverse osmosis method.
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Dec 2017
With the help of a neat diagram, explain reverse osmosis method of desalination.
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May 2012 Describe reverse osmosis for desalination of water.
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Define corrosion. Describe soil corrosion.Long Answer Dec-2010 • PTU B-TECH
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Dec 2009 What is soil corrosion? What are the factors that affects soil corrosion?
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What do you understand by wet corrosion?Short Answer Dec-2010 • PTU B-TECH
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Dec 2018 What is waterline corrosion?
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Dec 2016 What is waterline corrosion?
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May 2015 What is Corrosion? Discuss the factors affecting corrosion.
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May 2013 What is differential air corrosion?
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May 2013 What do you understand by stress corrosion? Explain.
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May 2013 What is wet corrosion?
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May 2013 What are the factors which affect corrosion?
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May 2012 What do you understand by Galvanic corrosion?
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May 2012 What is galvanic corrosion?
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May 2011 What is wet corrosion?
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Dec 2011 What do you understand by corrosion and stress corrosion?
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Dec 2010 What is dry corrosion?
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How chromatographic separation methods can be classified?Short Answer Dec-2010 • PTU B-TECH
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May 2017
What is partition chromatography?
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May 2016 What is the basic principle of Chromatography? Give various types of liquid chromatography.
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Dec 2016 Name the two phases of chromatography.
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May 2015 What is the basic principle of chromatographic techniques?
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May 2015 Discuss various types of liquid chromatography.
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Dec 2015 What is the basic principle of chromatographic techniques?
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May 2014 What is chromatography?
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May 2014 Define chromatography. Discuss various types of chromatography.
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May 2014 Give the applications of chromatography.
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May 2013 What do you understand by partition chromatography?
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May 2013 What are the types of liquid chromatography?
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May 2012 What is partition chromatography?
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May 2012 What is chromatography? Discuss its classification.
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Dec 2012 What is chromatography?
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Dec 2012 Discuss classification of chromatography.
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May 2011 What are the advantages of chromatography?
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May 2011 What is chromatography? Discuss the types of chromatography.
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Dec 2011 Give the classification of chromatography.
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May 2010 Explain partition chromatography.
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May 2010 Explain paper chromatography.
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May 2010 Explain thin layer chromatography.
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Dec 2010 Briefly discuss the applications of chromatography.
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May 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
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Dec 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
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Dec 2006 What are various classes of chromatography? Bring out clearly the principles involved in each case.
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May 2005 How are chromatographic techniques classified? Discuss in brief chromatographic mechanism.
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May 2005 Explain the chromatographic development with suitable example.
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Briefly discuss the applications of chromatography.Short Answer Dec-2010 • PTU B-TECH
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May 2017
What is partition chromatography?
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May 2016 What is the basic principle of Chromatography? Give various types of liquid chromatography.
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Dec 2016 Name the two phases of chromatography.
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May 2015 What is the basic principle of chromatographic techniques?
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May 2015 Discuss various types of liquid chromatography.
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Dec 2015 What is the basic principle of chromatographic techniques?
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May 2014 What is chromatography?
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May 2014 Define chromatography. Discuss various types of chromatography.
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May 2014 Give the applications of chromatography.
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May 2013 What do you understand by partition chromatography?
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May 2013 What are the types of liquid chromatography?
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May 2012 What is partition chromatography?
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May 2012 What is chromatography? Discuss its classification.
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Dec 2012 What is chromatography?
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Dec 2012 Discuss classification of chromatography.
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May 2011 What are the advantages of chromatography?
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May 2011 What is chromatography? Discuss the types of chromatography.
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Dec 2011 Give the classification of chromatography.
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May 2010 Explain partition chromatography.
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May 2010 Explain paper chromatography.
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May 2010 Explain thin layer chromatography.
-
Dec 2010 How chromatographic separation methods can be classified?
-
May 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
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Dec 2006 What are various classes of chromatography? Bring out clearly the principles involved in each case.
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May 2005 How are chromatographic techniques classified? Discuss in brief chromatographic mechanism.
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May 2005 Explain the chromatographic development with suitable example.
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Discuss conductometric titration of a weak acid against strong base.Long Answer Dec-2010 • PTU B-TECH
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May 2013 Discuss conductometric titration of a strong acid against strong base.
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Dec 2012 Explain the titration curve of strong acid with strong base by conductometry.
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Describe redox indicators.Short Answer Dec-2010 • PTU B-TECH
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What do you understand by spin-spin coupling?Short Answer Dec-2010 • PTU B-TECH
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Dec 2023 Explain the Spin-Spin coupling.
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May 2013 What information can be obtained from spin-spin coupling?
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May 2007 Write brief notes on spin-spin coupling.
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Dec 2007 Write brief note on spin-spin coupling.
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Dec 2006 Write brief notes on Spin-spin coupling.
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Discuss spin-lattice relaxation.Short Answer Dec-2010 • PTU B-TECH
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May 2018
Discuss spin-lattice relaxations. What is their significance?
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May 2013 Discuss spin-spin relaxation.
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May 2012 Discuss spin-lattice relaxation.
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Draw and discuss briefly phase diagram of lead-silver system.Long Answer Dec-2010 • PTU B-TECH
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Write short notes on photosensitised reactions.Short Answer Dec-2010 • PTU B-TECH
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May 2016 Write a note on photochemistry.
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Write short notes on masers.Short Answer Dec-2010 • PTU B-TECH
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Discuss the theory of UV-visible spectroscopy.Long Answer Dec-2010 • PTU B-TECH
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May 2017
Explain the selection rules of UV-vis Spectroscopy.
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Dec 2016 What is ultraviolet and visible spectroscopy known as?
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May 2014 What information can be obtained from the UV-Vis spectrum?
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Dec 2014 Explain the selection rules of UV-vis spectroscopy.
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Dec 2014 Explain the selection rule of UV-vis Spectroscopy.
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May 2012 Explain the uses of UV-visible spectroscopy.
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Dec 2012 Describe the principle of UV-Vis spectroscopy.
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Dec 2011 Discuss theory of UV-visible spectroscopy.
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Dec 2011 Discuss the principle of UV/Visible spectroscopy.
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May 2005 What do you understand by UV spectroscopy?
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Discuss Franck-Condon principle.Short Answer Dec-2010 • PTU B-TECH
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May 2015 State and explain Franck-Condon principle.
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May 2014 Discuss Franck-Condon principle.
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May 2013 Discuss Franck-Condon principle.
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Dec 2012 Explain Franck-Condon principle.
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May 2011 Explain Frank-Condon principle.
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May 2005 Explain the Frank-Condon principle.
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Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
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.