Thermodynamics: NEET Chemistry Questions and PYQs
Thermodynamics is a chapter of NEET Chemistry, in the Physical Chemistry unit. YoExam has 740+ practice questions on it, including 90+ previous year questions from NEET and AIPMT papers from 1990 to 2025, and every question comes with the answer and a full explanation.
Topics covered in Thermodynamics
Each topic can be practised on its own, so you can drill the exact part of the chapter you are weakest in.
- Thermodynamic Terms: System, Surroundings & Types of System
- State of the System & Internal Energy
- Work & First Law of Thermodynamics
- Enthalpy & Relation Between ΔH and ΔU
- Heat Capacity, Cₚ & Cᵥ, Extensive & Intensive Properties
- Measurement of ΔU & ΔH: Calorimetry
- Reaction Enthalpy, Standard & Phase-Transformation Enthalpies
- Standard Enthalpy of Formation, Thermochemical Equations & Hess’s Law
- Combustion, Atomisation, Bond, Lattice & Solution Enthalpies
- Spontaneity, Entropy & Second Law of Thermodynamics
- Gibbs Energy, Equilibrium & Third Law of Thermodynamics
Question types
Pick one type to focus, or mix them all. Counts as of 24 September 2026.
| Question type | Questions |
|---|---|
| Topic Wise | 550 |
| Previous Year Questions | 96 |
| Numerical Questions | 50 |
| Theoretical Questions | 50 |
| Total | 746 |
Thermodynamics previous year questions
90+ questions on Thermodynamics come from past NEET and AIPMT papers from 1990 to 2025, across 34 different years. Each one shows the paper it came from, so you can see how the chapter has been examined over time. The NEET PYQ chapter-wise page compares every chapter.
How practice works
- Choose a question type or a topic, then answer at your own pace.
- Check each answer to see whether it is right, the correct option and the full explanation.
- Stop whenever you like and resume from the same question later.
- At the end, see your accuracy, time, and a breakdown by question type and difficulty.
Frequently asked questions
How many NEET questions are there on Thermodynamics?
YoExam has 740+ practice questions on Thermodynamics, including 90+ previous year questions from NEET and AIPMT papers from 1990 to 2025. Every question comes with the correct answer and a full explanation.
Are there NEET PYQs for Thermodynamics?
Yes. 90+ questions on Thermodynamics come from past NEET and AIPMT papers from 1990 to 2025, across 34 different years. You can practise them on their own by choosing Previous Year Questions for this chapter.
Is Thermodynamics free to practise on YoExam?
Thermodynamics is part of YoExam Pro and Elite. The first chapter of every unit is free, so you can try the questions and explanations before paying. YoExam Pro is ₹599 for 12 months, as a one-time payment.
What types of questions are there for Thermodynamics?
You can practise Thermodynamics as Topic Wise, Previous Year Questions, Numerical Questions and Theoretical Questions, or mix every type together in one session.
Which topics does Thermodynamics cover?
11 topics: Thermodynamic Terms: System, Surroundings & Types of System; State of the System & Internal Energy; Work & First Law of Thermodynamics; Enthalpy & Relation Between ΔH and ΔU; Heat Capacity, Cₚ & Cᵥ, Extensive & Intensive Properties; Measurement of ΔU & ΔH: Calorimetry; Reaction Enthalpy, Standard & Phase-Transformation Enthalpies; Standard Enthalpy of Formation, Thermochemical Equations & Hess’s Law; Combustion, Atomisation, Bond, Lattice & Solution Enthalpies; Spontaneity, Entropy & Second Law of Thermodynamics; Gibbs Energy, Equilibrium & Third Law of Thermodynamics. Each one can be practised on its own.
More chapters in Physical Chemistry
- Some Basic Concepts of Chemistry: 510+ questions, 60+ PYQs
- Structure of Atom: 930+ questions, 80+ PYQs
- Redox Reactions: 570+ questions, 27 PYQs
- Chemical Equilibrium: 740+ questions, 44 PYQs
- Ionic Equilibrium: 780+ questions, 80+ PYQs
- Solutions: 720+ questions, 70+ PYQs
- Electrochemistry: 720+ questions, 70+ PYQs
- Chemical Kinetics: 670+ questions, 70+ PYQs
See every chapter on the NEET Chemistry page.