Question Bank 2025 1st Semester, Btech GIFT (Autonomous) Bhubaneswar
Subject Name: Applied Chemistry Subject Code: BTBS-T-BS-113
MODULE –I
Questions Marks
1 Define Phase Rule. 2
2 What is the role of Phase Rule? 2
3 What are the factors that affect the state of equilibrium in heterogeneous system? 2
4 Define Phase. 2
5 How many phases exist in water and benzene, glucose solution, mixture of H 2, O2, 2
and N2?
6 How many phases exist in CaCO3(s)-------> CaO(s)+CO2(g) 2
7 Define Component. 2
8 How many component exist in the dissociation of NH4Cl in a closed vessel? 2
9 How many phases and component in H2O system? 2
10 How many phases and component in Sulphur system? 2
11 How many components present in CaCO3(s) -------> CaO(s) +CO2 (g)? 2
12 How many component exist in CuSO4.5H2O(s) -----> CuSO4.3H2O(s) +2H2O(g) 2
13 Define degree of freedom. 2
14 Define invariant system with example. 2
15 Define bi-variant system with example. 2
16 Define Uni-variant system with example. 2
17 How many degree of freedom in the gaseous mixture of N2 and H2? 2
18 Define critical pressure and critical temperature. 2
19 Define triple point of water. 2
20 Calculate the no. of phases and degree of freedom of triple point of water. 2
21 Define sublimation curve of water system. 2
22 Define freezing curve of water system. 2
23 Why freezing curve of water system inclined to pressure axis? 2
24 Define metastable state of water system. 2
Applied Chemistry Questions Prepared by Dr.S.Hota Page 1
, 25 Write different triple points exist in Sulphur system. 2
26 Write the equilibrium equation of Sulphur. 2
27 Write the temp and pressure of all triple points of Sulphur system. 2
28 Define reduced phase rule. 2
29 Why pressure is neglected in two component system? 2
30 Define eutectic system. 2
31 Define eutectic point. 2
32 Define eutectic mixture. 2
33 Write the examples of 3- eutectic system. 2
34 Write two application of eutectics. 2
35 Mention two limitations of phase rule. 2
36 What is meant by congruent melting? 2
37 Discuss the significance of triple point. 2
38 Write two failure of Classical Mechanics. 2
39 State de-Broglie hypothesis. 2
40 Calculate the de-Broglie wave length of a cricket ball of mass 200g moving with a 2
velocity of 200m/s.
41 Calculate the de-Broglie wavelength of an electron(m=9.11×10 -31kg) moving with a speed of 2
6×106 m/s.
42 Write two significance of de-Broglie wave equation. 2
43 Define Uncertainty Principle. 2
44 Define Orbit and orbital. 2
45 Define wave function. 2
46 Define stationary wave function. 2
47 Write Schrodinger wave equation. 2
48 Write significance of φ2 (Probability of finding electron). 2
49 Write significance of φ (Wave Function). 2
50 What is Photoelectric Effect? 2
51 Define Black body. 2
52 Calculate the wave length associated with an electron moving in a potential difference of 10 2
Applied Chemistry Questions Prepared by Dr.S.Hota Page 2
Subject Name: Applied Chemistry Subject Code: BTBS-T-BS-113
MODULE –I
Questions Marks
1 Define Phase Rule. 2
2 What is the role of Phase Rule? 2
3 What are the factors that affect the state of equilibrium in heterogeneous system? 2
4 Define Phase. 2
5 How many phases exist in water and benzene, glucose solution, mixture of H 2, O2, 2
and N2?
6 How many phases exist in CaCO3(s)-------> CaO(s)+CO2(g) 2
7 Define Component. 2
8 How many component exist in the dissociation of NH4Cl in a closed vessel? 2
9 How many phases and component in H2O system? 2
10 How many phases and component in Sulphur system? 2
11 How many components present in CaCO3(s) -------> CaO(s) +CO2 (g)? 2
12 How many component exist in CuSO4.5H2O(s) -----> CuSO4.3H2O(s) +2H2O(g) 2
13 Define degree of freedom. 2
14 Define invariant system with example. 2
15 Define bi-variant system with example. 2
16 Define Uni-variant system with example. 2
17 How many degree of freedom in the gaseous mixture of N2 and H2? 2
18 Define critical pressure and critical temperature. 2
19 Define triple point of water. 2
20 Calculate the no. of phases and degree of freedom of triple point of water. 2
21 Define sublimation curve of water system. 2
22 Define freezing curve of water system. 2
23 Why freezing curve of water system inclined to pressure axis? 2
24 Define metastable state of water system. 2
Applied Chemistry Questions Prepared by Dr.S.Hota Page 1
, 25 Write different triple points exist in Sulphur system. 2
26 Write the equilibrium equation of Sulphur. 2
27 Write the temp and pressure of all triple points of Sulphur system. 2
28 Define reduced phase rule. 2
29 Why pressure is neglected in two component system? 2
30 Define eutectic system. 2
31 Define eutectic point. 2
32 Define eutectic mixture. 2
33 Write the examples of 3- eutectic system. 2
34 Write two application of eutectics. 2
35 Mention two limitations of phase rule. 2
36 What is meant by congruent melting? 2
37 Discuss the significance of triple point. 2
38 Write two failure of Classical Mechanics. 2
39 State de-Broglie hypothesis. 2
40 Calculate the de-Broglie wave length of a cricket ball of mass 200g moving with a 2
velocity of 200m/s.
41 Calculate the de-Broglie wavelength of an electron(m=9.11×10 -31kg) moving with a speed of 2
6×106 m/s.
42 Write two significance of de-Broglie wave equation. 2
43 Define Uncertainty Principle. 2
44 Define Orbit and orbital. 2
45 Define wave function. 2
46 Define stationary wave function. 2
47 Write Schrodinger wave equation. 2
48 Write significance of φ2 (Probability of finding electron). 2
49 Write significance of φ (Wave Function). 2
50 What is Photoelectric Effect? 2
51 Define Black body. 2
52 Calculate the wave length associated with an electron moving in a potential difference of 10 2
Applied Chemistry Questions Prepared by Dr.S.Hota Page 2
