Question 1
(a)
Explain the periodic trends of a. Electron negativity b. Ionization enthalpy
3 Marks
(b)
Explain the hard soft acid base concept with example.
4 Marks
(c)
Explain the proximate analysis of a coal sample.
7 Marks
Gujarat Technological UniversitySummer 2026 Examination
GTU 3110001 Chemistry Summer 2026 Paper Solution & PDF
B.E. · Common Engineering · Semester 1 · Subject Code: 3110001
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
What do you understand by permanent and temporary hardness of water?
3 Marks
(b)
What are the biodegradable polymers? Give two examples.
4 Marks
(c)
What is corrosion? Explain the electrochemical process of corrosion?
7 Marks
OR OPTION
(c)
What are alloys? Give few examples and their applications. Explain how the alloys are better choice than pure metal for making of various tools?
7 Marks
Question 3
(a)
Explain the allowed and forbidden electronic transitions.
3 Marks
(b)
What are fibers? Give the reaction for preparation of nylon-66.
4 Marks
(c)
Give labelled schematic diagram for refining of petroleum by fractional distillation.
7 Marks
OR OPTION
(a)
Give applications of UV-Vis spectroscopy.
3 Marks
(b)
Give detailed process for treatment of domestic waste water.
4 Marks
(c)
What are rubbers? Give reaction for preparation of chloroprene rubber and its applications.
7 Marks
Question 4
(a)
Write any three applications of nanomaterial in catalysis.
3 Marks
(b)
Give the structure of the monomer/s of following polymers;
1PVC 2. PMMA
4 Marks
(c)
Explain the fermentation processes for preparation of acetic acid.
7 Marks
OR OPTION
(a)
Discuss the applications of nanomaterial in medicine.
3 Marks
(b)
What is vulcanization of rubber? Explain.
4 Marks
(c)
Explain the fermentation processes for preparation of Ethanol.
7 Marks
Question 5
(a)
Write the any three advantages of bio-fertilizers over chemical fertilizers.
3 Marks
(b)
Explain the bottom up method for synthesis of nano-materials.
4 Marks
(c)
Explain the working of pH-meter and give its applications?
7 Marks
OR OPTION
(a)
Write any six characteristic of good fuel.
3 Marks
(b)
Give the applications of carbon based nanomaterials.
4 Marks
(c)
What is infra-red (IR) spectroscopy? Explain the working of IR spectrometer and give its applications.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Chemistry (Summer 2026, B.E. · Common Engineering, Sem 1). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.