BITSAT SERIES Chemistry
Thermodynamics
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2026 1
2025 1
2013 2
2009 Chapter Questions 5 MCQs
01
PYQ 2009
medium
chemistry ID: bitsat-2
A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it at the rate of 600 Joule/sec. Find the temperature difference if K = 200 J m⁻¹K⁻¹.
1
20C
2
40C
3
80C
4
100C
02
PYQ 2009
easy
chemistry ID: bitsat-2
A liquid is flowing through a non-sectional tube with its axis horizontal. If two points X and Y on the axis of tube have sectional area 2.0 cm² and 25 mm² respectively then find the flow velocity at Y when the flow velocity at X is 10 m/s.
03
PYQ 2013
medium
chemistry ID: bitsat-2
Figure shows a copper rod joined to a steel rod. The rods have equal length and equal crosssectional area. The free end of the copper rod is kept at and that of steel rod is kept at . Find the temperature of the junction of the rod. Conductivity of copper . Conductivity of steel
1
2
3
4
04
PYQ 2025
medium
chemistry ID: bitsat-2
For the reaction: , the enthalpy change ( ) is –92.4 kJ/mol. What type of reaction is it?
1
Endothermic
2
Exothermic
3
Isothermal
4
Photochemical
05
PYQ 2026
medium
chemistry ID: bitsat-2
Which one of the following equations does not correctly represent the first law of thermodynamics for the given processes involving an ideal gas? (Assume non-expansion work is zero)
1
Cyclic process:
2
Adiabatic process:
3
Isochoric process:
4
Isothermal process:
About Thermodynamics - BITSAT
Thermodynamics is a vital chapter for BITSAT aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
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Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Thermodynamics carry the most weight. Then, tackle the questions iteratively to solidify your understanding.