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Enthalpy Questions

Practice 7 Enthalpy questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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7
Total Questions
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3
Easy
๐ŸŸก
3
Medium
๐Ÿ”ด
1
Hard
Practice by Exam:Chemistry(7)

About Enthalpy โ€” practice questions, PYQs & concepts

Enthalpy is a frequently-tested topic on Chemistry. ExamTest.live currently lists 7 Enthalpy questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

Enthalpy weight in competitive exams

Across our Enthalpy question bank, the largest sources are Chemistry (7). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 3 easy Enthalpy questions are available โ€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right โ€” the explanation often surfaces a faster approach you can reuse.

All Enthalpy Questions(1โ€“7 of 7)

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Q1mediummcqChemistryAIEEE 20072026
0% accuracy
Assuming that water vapour is an ideal gas, the internal energy change () when of water is vapourised at pressure and is:(Given: Molar enthalpy of vapourization of water at and and )
Q2easymcqChemistryNEET 20232026
Which amongst the following options is the correct relation between change in enthalpy and change in internal energy?
Q3hardmcqChemistryChemistry
3% accuracy
The standard heat of formation, in of is :[Given : standard heat of formation of , standard heat of crystallisation of , standard heat of formation of ]
Q4easymcqChemistryChemistry
Which of the following are not state functions?(I) (II) (III) (IV)
Q5mediummcqChemistryChemistry
From the following bond energies: Enthalpy for the reaction image will be:
Q6easymcqChemistryChemistry
A reaction having equal energies of activation for forward and reverse reactions has:
Q7mediummcqChemistryChemistry
For the reaction , and at . Hence, is:

Frequently Asked Questions

How many Enthalpy questions are on ExamTest.live?โ–ผ
We have 7 Enthalpy questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Enthalpy MCQs free?โ–ผ
Yes. All Enthalpy questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Enthalpy questions?โ–ผ
Enthalpy questions are commonly asked in Chemistry. You can filter by exam using the links above.
How do I practice Enthalpy questions effectively?โ–ผ
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.