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Chemical Thermodynamics Mock Test 2 for NEET 2025-26

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Free Chapter-Wise Chemical Thermodynamics Practice Test with Answers

Chemical Thermodynamics Mock Test 2 | NEET Mock Test
Mock Test: 20 Questions - 20 Minutes
Prepare yourself for NEET with 20 challenging questions from Chemical Thermodynamics Mock Test 2. You have exactly 20 minutes to complete the test. Ready to begin?

Time Left: 20:00

1. Which of the following is an extensive property?

2. For the reaction N₂(g) + O₂(g) ⇌ 2NO(g), ΔH = 180.5 kJ. Formation of NO is:

3. Which one of the following statements is correct regarding thermodynamic processes?

4. At absolute zero, which of the following is true?

5. Which law states that the energy change in a chemical reaction depends only on the initial and final states?

6. The internal energy of a system can be changed by:

7. Gibbs free energy is given by:

8. If ΔG for a reaction is negative, the reaction is:

9. Which one is not a state function?

10. The SI unit of entropy is:

11. According to the First Law of Thermodynamics:

12. In a reversible process, entropy of the universe:

13. Which property is not affected when 1L water at 25°C is mixed with 1L water at 25°C?

14. For which one of these processes, ΔH = ΔU?

15. The value for the enthalpy of vaporization of water at 100°C is:

16. Which of the following is correct about spontaneous processes?

17. Work done in an isothermal reversible expansion of an ideal gas is:

18. Which is correct for exothermic reactions?

19. In a closed system, which will increase if heat is added at constant pressure?

20. Standard enthalpy of formation of elements in standard state is:

Hurray! 🎉 You answered all the questions correctly! 🏆

Chemical Thermodynamics: NEET Mock Test Practice & Key Insights

Chemical Thermodynamics is the backbone of NEET Chemistry preparation. Mastering its principles—such as enthalpy, entropy, spontaneity, and free energy—is crucial for tackling both conceptual and calculation-based NEET questions. Chapter-wise NEET mock tests on chemical thermodynamics simulate the real exam experience and identify exact learning gaps.


This NEET mock test delivers 20 hand-picked MCQs on chemical thermodynamics, expertly crafted to reflect the latest NEET 2025 exam pattern. Each question integrates core concepts such as First and Second Laws, Gibbs free energy, Hess’s Law, spontaneity, and heat conversions, offering a comprehensive practice environment.


Essential Concepts for NEET Chemical Thermodynamics

Thermodynamics explores energy changes during chemical and physical processes. Key topics include system and surroundings, types of thermodynamic systems (open, closed, isolated), state functions vs. path functions, and measurement of work, heat, enthalpy, and internal energy. Understanding these is fundamental for nearly every NEET Chemistry paper.


The chapter also covers spontaneous and non-spontaneous processes, criteria for spontaneity (using ΔG), reversibility, and the importance of entropy and enthalpy changes. Regular mock practice builds speed and confidence in decoding and applying these principles under exam time pressure.


Quantity Symbol SI Unit Typical NEET Value
Enthalpy H / ΔH kJ mol⁻¹ ΔHvap(H₂O)=40.7
Entropy S / ΔS J K⁻¹ mol⁻¹ ΔSfusion(ice)≈22
Gibbs Free Energy G / ΔG kJ mol⁻¹ ΔG°(formation, element)=0
Work W J Isothermal: W=–nRTln(V₂/V₁)

Why Regular Mock Tests Improve NEET Scores

Practicing chemical thermodynamics via free NEET mock tests enables instant scoring, answer explanations, and time analytics—replicating the NTA NEET experience. You develop accuracy, time management, and the ability to handle mixed-difficulty MCQs. Over time, this boosts ranks and reveals conceptual gaps for targeted revision.


Chapter-wise online tests, like this one on chemical thermodynamics, help you achieve topic mastery before full-length mocks. They provide precise feedback, attempt analytics, and even AIR predictions—ensuring every NEET aspirant is equipped to solve diverse, application-based problems under pressure.


Key Strategies to Ace Chemical Thermodynamics MCQs

To maximize your NEET performance, read every MCQ thoroughly and beware of negative or misleading option statements. Use elimination strategies, relate to NCERT equations, and always check for standard state definitions in thermodynamics problems. Practice both theory and numericals to develop conceptual clarity and calculation speed.


Focus on common thermodynamics conversions, such as kJ to J or calorimetry calculations, and memorize important definitions (State function, Hess’s Law, Gibbs energy). Mixed-practice through custom tests increases retention and your ability to apply logic even under tight timelines.


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Performance Analysis & Continuous Improvement

After each mock, analyze which thermodynamics subtopics—such as entropy, enthalpy change, or spontaneity—cause errors. Use instant feedback and explanations to plug knowledge gaps quickly. Track your progress across tests to visualize improvements in both accuracy and speed, mimicking real NEET competitive trends.


By practicing regularly with structured NEET online mocks, you simulate exam pressure, build confidence, and ensure you aren’t surprised by any twist in actual Chemistry papers. Integrating mock test results into your study plan ensures holistic and strategic NEET preparation for 2025.


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FAQs on Chemical Thermodynamics Mock Test 2 for NEET 2025-26

1. Is Vedantu’s NEET mock test free for all chapters?

Yes, Vedantu provides a selection of free NEET chapter-wise mock tests for all major subjects, including Chemistry, Physics, and Biology. Students also have the option to access premium practice sets for added features and deeper analysis if desired.

2. Are Vedantu NEET mocks based on the NTA 2025 pattern?

Absolutely! All Vedantu NEET mock tests are carefully designed and regularly updated as per the latest NTA NEET 2025 syllabus and exam pattern. This ensures you practice with the most relevant and exam-aligned questions.

3. Can I take NEET mock tests on mobile?

Yes, you can access NEET mock tests on your mobile, tablet, or desktop device. Vedantu’s platform is optimized for mobile-friendly learning, so you can practice anywhere, anytime.

4. Will I get detailed solutions after the test?

Yes. Once you complete a mock test, you receive step-by-step solutions and explanations for each question to reinforce key concepts and correct misconceptions.

5. How many mock tests should I take before NEET?

It is highly recommended to attempt a minimum of 10-15 full-length NEET mock tests and several chapter-wise practice sets before the final exam. Regular practice helps you assess performance, identify weak areas, and build exam confidence.

6. Which subjects are included in the mock test series?

The mock test series covers all NEET core subjects: Biology (Botany & Zoology), Chemistry (Physical, Organic, Inorganic), and Physics. Each subject has topic-wise, chapter-wise, and full-syllabus practice options.

7. How does Vedantu calculate All India Rank (AIR)?

The platform compares your NEET mock test score with other aspirants nationwide, using real-time analytics to estimate your All India Rank (AIR) based on current performance data, marking scheme, and time taken.

8. Can I review my mistakes and track my improvement?

Yes, Vedantu’s smart dashboard allows you to analyze incorrect answers, review detailed solutions, and monitor progress using performance graphs. This helps identify strengths and areas for improvement over time.

9. Do NEET mock tests help improve time management?

Definitely. Each NEET mock test is timed, helping you practice time management skills, simulate the real exam environment, and improve your speed and accuracy for the official exam.

10. Are previous years’ NEET questions included in the mock tests?

Yes, Vedantu incorporates a selection of previous years’ NEET questions, trending concepts, and expected question types into the mock tests for reliable, exam-level practice.

11. Can I identify weak topics using test analytics?

Yes, after every mock test you receive performance analytics that break down your accuracy and marks chapter-wise. This helps precisely spot and target your weak topics or concepts for focused revision.

12. How does instant scoring work in Vedantu NEET mock tests?

Upon completion of your mock test, instant automated scoring applies the official NEET marking scheme (including negative marking), giving you an immediate score, percentage, and attempted vs. correct answer breakdown.