Question Bank 2025-26 GIFT Autonomous, Bhubaneswar
Subject Code: BTBS-T-BS-103
Subject Name: Applied Chemistry
MODULAR-II
Questions GROUP-A Marks CO BTL BY
1 What is corrosion, and what are its effects on materials? 2 1 1
2 Describe the mechanism of electrochemical corrosion. 2 1 1
3 What is differential aeration corrosion, and how does it occur? 2 1 1
4 Explain the concept of pitting corrosion and its significance. 2 1 1
5 What is galvanic corrosion, and how can it be prevented? 2 1 1
6 Describe the phenomenon of water line corrosion. 2 1 1
7 What is caustic embrittlement, and how does it occur? 2 1 1
8 What are the factors that affect the rate of corrosion? 2 1 1
9 Describe the role of cathodic protection in corrosion control. 2 1 1
10 What is galvanizing, and how does it prevent corrosion? 2 1 1
11 Define “fuel” and give two examples of solid fuels. 2 1 1
12 What is the difference between gross calorific value (GCV) and net calorific 2 1 1
value (NCV)?
13 State the principle of a Bomb Calorimeter. 2 1 1
14 Name the two main products obtained from the fractional distillation of 2 1 1
crude oil.
15 Define “cracking” in petroleum refining. 2 1 1
16 What is “knocking” in an internal-combustion engine? 2 1 1
17 Give one example of an anti-knocking agent. 2 1 1
18 How is Octane rating determined for gasoline? 2 1 1
19 What does a higher Cetane number indicate for diesel fuel? 2 1 1
20 Write the balanced equation for the complete combustion of methane 2 1 1
(CH₄).
21 What are nano materials, and how do they differ from bulk materials? 2 1 1
22 Describe the classification of nano materials based on their dimensions. 2 1 1
23 What are 0D, 1D, and 2D nano materials, and give examples of each. 2 1 1
24 Explain the top-down approach to synthesizing nano materials. 2 1 1
25 Describe the bottom-up approach to synthesizing nano materials. 2 1 1
, 26 What are the potential applications of nano materials in agriculture? 2 1 1
27 How can nano materials be used in pharmaceuticals? 2 1 1
28 What are the unique characteristics of nano materials? 2 1 1
29 Describe the advantages of using nano materials in various fields. 2 1 1
30 What are the challenges associated with synthesizing nano materials? 2 1 1
31 What is the degree of polymerization, and how does it affect polymer 2 1 1
properties?
32 Differentiate between thermosetting and thermoplastic polymers. 2 1 1
33 What are the properties and applications of polythene? 2 1 1
34 Describe the structure and uses of PVC. 2 1 1
35 What is Nylon-6, 6, and what are its applications? 2 1 1
36 Explain the properties and uses of phenol-formaldehyde resin. 2 1 1
37 What is natural rubber, and how is it processed? 2 1 1
38 Describe the process of vulcanization and its effect on rubber properties. 2 1 1
39 What are the advantages and disadvantages of thermosetting polymers? 2 1 1
40 Compare and contrast natural rubber and vulcanized rubber. 2 1 1
41 Describe the working of a lead-acid storage cell. 2 1 1
42 What are the advantages and disadvantages of fuel cells? 2 1 1
43 Define the term "electrochemical cell" and give examples. 2 1 1
44 What is the role of electrodes in electrochemical cells? 2 1 1
45 Define “calorific value” of a fuel. 2 1 1
46 Which instrument is used to measure the calorific value of a solid fuel? 2 1 1
47 What is the typical range of GCV for coal? 2 1 1
48 Name the three main components of LPG. 2 1 1
49 What is the main constituent of CNG? 2 1 1
50 List two advantages of biogas over conventional fossil fuels. 2 1 1
51 What is the purpose of the “fractional distillation tower” in a refinery? 2 1 1
52 Explain the term “anti-knocking” with an example. 2 1 1
53 State the difference between “thermal cracking” and “catalytic cracking”. 2 1 1
54 What is the significance of the “stoichiometric air-fuel ratio” in combustion 2 1 1
calculations?
Subject Code: BTBS-T-BS-103
Subject Name: Applied Chemistry
MODULAR-II
Questions GROUP-A Marks CO BTL BY
1 What is corrosion, and what are its effects on materials? 2 1 1
2 Describe the mechanism of electrochemical corrosion. 2 1 1
3 What is differential aeration corrosion, and how does it occur? 2 1 1
4 Explain the concept of pitting corrosion and its significance. 2 1 1
5 What is galvanic corrosion, and how can it be prevented? 2 1 1
6 Describe the phenomenon of water line corrosion. 2 1 1
7 What is caustic embrittlement, and how does it occur? 2 1 1
8 What are the factors that affect the rate of corrosion? 2 1 1
9 Describe the role of cathodic protection in corrosion control. 2 1 1
10 What is galvanizing, and how does it prevent corrosion? 2 1 1
11 Define “fuel” and give two examples of solid fuels. 2 1 1
12 What is the difference between gross calorific value (GCV) and net calorific 2 1 1
value (NCV)?
13 State the principle of a Bomb Calorimeter. 2 1 1
14 Name the two main products obtained from the fractional distillation of 2 1 1
crude oil.
15 Define “cracking” in petroleum refining. 2 1 1
16 What is “knocking” in an internal-combustion engine? 2 1 1
17 Give one example of an anti-knocking agent. 2 1 1
18 How is Octane rating determined for gasoline? 2 1 1
19 What does a higher Cetane number indicate for diesel fuel? 2 1 1
20 Write the balanced equation for the complete combustion of methane 2 1 1
(CH₄).
21 What are nano materials, and how do they differ from bulk materials? 2 1 1
22 Describe the classification of nano materials based on their dimensions. 2 1 1
23 What are 0D, 1D, and 2D nano materials, and give examples of each. 2 1 1
24 Explain the top-down approach to synthesizing nano materials. 2 1 1
25 Describe the bottom-up approach to synthesizing nano materials. 2 1 1
, 26 What are the potential applications of nano materials in agriculture? 2 1 1
27 How can nano materials be used in pharmaceuticals? 2 1 1
28 What are the unique characteristics of nano materials? 2 1 1
29 Describe the advantages of using nano materials in various fields. 2 1 1
30 What are the challenges associated with synthesizing nano materials? 2 1 1
31 What is the degree of polymerization, and how does it affect polymer 2 1 1
properties?
32 Differentiate between thermosetting and thermoplastic polymers. 2 1 1
33 What are the properties and applications of polythene? 2 1 1
34 Describe the structure and uses of PVC. 2 1 1
35 What is Nylon-6, 6, and what are its applications? 2 1 1
36 Explain the properties and uses of phenol-formaldehyde resin. 2 1 1
37 What is natural rubber, and how is it processed? 2 1 1
38 Describe the process of vulcanization and its effect on rubber properties. 2 1 1
39 What are the advantages and disadvantages of thermosetting polymers? 2 1 1
40 Compare and contrast natural rubber and vulcanized rubber. 2 1 1
41 Describe the working of a lead-acid storage cell. 2 1 1
42 What are the advantages and disadvantages of fuel cells? 2 1 1
43 Define the term "electrochemical cell" and give examples. 2 1 1
44 What is the role of electrodes in electrochemical cells? 2 1 1
45 Define “calorific value” of a fuel. 2 1 1
46 Which instrument is used to measure the calorific value of a solid fuel? 2 1 1
47 What is the typical range of GCV for coal? 2 1 1
48 Name the three main components of LPG. 2 1 1
49 What is the main constituent of CNG? 2 1 1
50 List two advantages of biogas over conventional fossil fuels. 2 1 1
51 What is the purpose of the “fractional distillation tower” in a refinery? 2 1 1
52 Explain the term “anti-knocking” with an example. 2 1 1
53 State the difference between “thermal cracking” and “catalytic cracking”. 2 1 1
54 What is the significance of the “stoichiometric air-fuel ratio” in combustion 2 1 1
calculations?
