Gujarat Technological UniversityWinter 2023 examination

GTU 3110001 Chemistry Winter 2023 Question Paper & PDF

B.E. · Common Engineering · Semester 1 · Subject code 3110001
Download official PDFView PDF here
Share with your class
Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.

12 of 25 questions on this paper were also asked in other years. 1 more is a type of question GTU sets again with new data. Each is marked below with the years it appeared.See all 32 repeated 3110001 questions, most asked first

Q.1

14 Marks
(a)
3 marks
Define polar and nonpolar covalent bonds.
(b)
4 marksAsked in 3 of 7 papers
Differentiate between temporary and permanent hardness.

Also asked in Summer 2026 Q2a, Winter 2025 Q2a

(c)
7 marksAsked in 3 of 7 papers
Explain Lime soda process with its advantages and disadvantages.

Also asked in Winter 2024 Q1c, Summer 2024 Q5c

Q.2

14 Marks
(a)
3 marksAsked in 4 of 7 papers
Discuss four important physical properties of metals.

Also asked in Summer 2025 Q3b, Winter 2024 Q2b, Summer 2024 Q4a OR

(b)
4 marks
Explain the shapes of s, p, d and f orbitals.
(c)
7 marks

How will you protect metal from corrosion?? Explain wet corrosion mechanism.

(c)
7 marksAsked in 2 of 7 papers
Explain hard soft acids and bases with their properties.

Also asked in Summer 2026 Q1b

Q.3

14 Marks
(a)
3 marks
What is nano material? Explain the term with historical aspect.
(b)
4 marksAsked in 3 of 7 papers

Write a short note on ‘top down’ and ‘bottom-up approach’ to synthesize Nanomaterials.

Also asked in Winter 2025 Q3b OR, Winter 2024 Q3c OR

(c)
7 marks

Define polymerization. Give major classification of polymers with suitable examples and applications.

(a)
3 marks
Define Stretching and bending vibration in IR spectroscopy.
(b)
4 marksSame type asked in 2 of 7 papers
Define pH. Calculate pH of 0.1 N HCl.

Also asked in Winter 2024 Q4a

(c)
7 marksAsked in 2 of 7 papers

Explain the preparation, properties and any one specific use of the Nylon- 6,6 and Buna-S rubber.

Also asked in Summer 2024 Q5c OR

Q.4

14 Marks
(a)
3 marksAsked in 3 of 7 papers
State important applications of nanomaterial in catalysis.

Also asked in Summer 2026 Q4a, Winter 2024 Q3b OR

(b)
4 marks
Discuss major disadvantages of using hard water in various industries.
(c)
7 marksAsked in 3 of 7 papers
Explain the IR spectroscopy with its application.

Also asked in Summer 2026 Q5c OR, Winter 2025 Q5c OR

(a)
3 marks
What is a biofertilizer?
(b)
4 marks
Explain Importance of Biofuels.
(c)
7 marksAsked in 3 of 7 papers

Define Fermentation. Explain manufacturing of Acetic acid by fermentation process.

Also asked in Summer 2026 Q4c, Summer 2023 Q4c OR

Q.5

14 Marks
(a)
3 marksAsked in 3 of 7 papers
Define the following terms: Octane and Cetane Number

Also asked in Winter 2025 Q5a OR, Winter 2024 Q4a OR

(b)
4 marks
Discuss the Selection rules for UV-Visible spectroscopy.
(c)
7 marks
What are bioreactors? Discuss the applications of biotechnology.
(a)
3 marks
Explain Liquid Crystals.
(b)
4 marksAsked in 4 of 7 papers
Write characteristics of a good fuel.

Also asked in Summer 2026 Q5a OR, Winter 2025 Q1a, Winter 2024 Q3a

(c)
7 marksAsked in 2 of 7 papers
Give classification of fuel. Discuss proximate analysis of fuel.

Also asked in Winter 2024 Q4c OR

More Chemistry papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions
Winter 202570 marks · 5 questions
Summer 202570 marks · 5 questions
Winter 202470 marks · 5 questions

Other Semester 1 subjects

BE Common

3110002
English
3110003
Programming for Problem Solving
3110004
Basic Civil Engineering
3110005
Basic Electrical Engineering

Preparing with friends?

Send this paper to your class group. Every question has its own link.

About this paper

Official Gujarat Technological University (GTU) examination paper for Chemistry (Winter 2023, 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.

Download official PDF All Chemistry Papers (7) →Report a typo or correction
ViewDownload PDF