Gujarat Technological UniversityWinter 2025 examination

GTU 3110001 Chemistry Winter 2025 Question Paper & PDF

B.E. · Common Engineering · Semesters 1 and 2 · Subject code 3110001
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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14 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 32 repeated 3110001 questions, most asked first

Q.1

14 Marks
(a)
3 marksAsked in 4 of 7 papers
Write characteristics of good fuel.

Also asked in Summer 2026 Q5a OR, Winter 2024 Q3a, Winter 2023 Q5b OR

(b)
4 marksAsked in 3 of 7 papers
Why Vulcanized rubber is more stable and stronger compared to natural rubber?

Also asked in Summer 2026 Q4b OR, Summer 2024 Q5b

(c)
7 marksAsked in 5 of 7 papers

Explain the suitable method to analyze the percentage of moisture, volatile matter and ash content in a coal sample.

Also asked in Summer 2026 Q1c, Summer 2025 Q5c, Summer 2024 Q3c, Summer 2023 Q2c

Q.2

14 Marks
(a)
3 marksAsked in 3 of 7 papers
What do you understand by temporary and permanent hardness of water?

Also asked in Summer 2026 Q2a, Winter 2023 Q1b

(b)
4 marks
Give the reaction for synthesis and uses of polymer nylon-6,6 and PVC.
(c)
7 marksAsked in 4 of 7 papers
What is corrosion? Explain electrochemical corrosion in detail.

Also asked in Summer 2026 Q2c, Winter 2024 Q2c, Summer 2024 Q2c OR, Summer 2024 Q4c

(c)
7 marksAsked in 4 of 7 papers

What are alloys? Why alloys are better than pure metal for making of various tools? Justify your answer with the help of examples.

Also asked in Summer 2026 Q2c OR, Summer 2024 Q5b OR, Summer 2023 Q2c OR

Q.3

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Define Electron negativity, Ionization enthalpy and Electron affinity.

Also asked in Summer 2024 Q4a

(b)
4 marksAsked in 5 of 7 papers

Give labeled schematic diagram for refining of petroleum by fractional distillation.

Also asked in Summer 2026 Q3c, Winter 2024 Q4c, Summer 2024 Q2a, Summer 2023 Q3b

(c)
7 marks
Define chemical bond. Explain various types of Bonds with suitable example.
(a)
3 marksAsked in 2 of 7 papers
Distinguish between scale and sludge.

Also asked in Winter 2024 Q1b

(b)
4 marksAsked in 3 of 7 papers
Explain Top down and Bottom up approaches for the synthesis of nanomaterial.

Also asked in Winter 2024 Q3c OR, Winter 2023 Q3b

(c)
7 marks

What is nanomaterial? Write applications of nanomaterial in textile industries, catalysis and medicine.

Q.4

14 Marks
(a)
3 marks

Write a specific applications of following polymers-

aPolyvinyl styrene b. Bakelite c. High density polyethene
(b)
4 marks
Discuss any two boiler Problems in detail.
(c)
7 marksAsked in 5 of 7 papers
Explain the fermentation processes for preparation of Alcohol.

Also asked in Summer 2026 Q4c OR, Winter 2024 Q5c OR, Summer 2024 Q4c OR, Summer 2023 Q4c

(a)
3 marks
What are fullerenes? Write properties of fullerenes in short.
(b)
4 marks

What is pH? Draw a graph of pH metric titration of strong acid Vs. strong base and justify it.

(c)
7 marks
Explain Zeolite method for the softening of water with neat and clean diagram.

Q.5

14 Marks
(a)
3 marksAsked in 2 of 7 papers
What are enzymes? Write four characteristics of enzymes.

Also asked in Summer 2023 Q5a OR

(b)
4 marks
Explain Electro dialysis method for desalination of brackish water.
(c)
7 marks

Draw a schematic diagram of UV spectrophotometer. Write principle and applications of UV-Visible Spectroscopy.

(a)
3 marksAsked in 3 of 7 papers
Explain the terms : Octane and Cetane numbers

Also asked in Winter 2024 Q4a OR, Winter 2023 Q5a

(b)
4 marks
Give any two methods of removal of micro organisms from water.
(c)
7 marksAsked in 3 of 7 papers

Draw a schematic diagram of IR spectrophotometer. Write principle and applications of IR Spectroscopy.

Also asked in Summer 2026 Q5c OR, Winter 2023 Q4c

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

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About this paper

Official Gujarat Technological University (GTU) examination paper for Chemistry (Winter 2025, 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.

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