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HAT Subject 2026 Chemical Thermodynamics Free Quiz 3
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HAT Subject 2026 Chemical Thermodynamics Free Quiz 3

Practice HAT Subject 2026 HEC Aptitude Test Chemistry MCQs from Chemical Thermodynamics. Get instant results with Explanation.

21. What is the energy released when ions are hydrated?



22. What cycle is used to calculate lattice enthalpy?



23. What equation relates ΔG to ΔH and ΔS?



24. What equation relates the equilibrium constant to temperature?



25. What equation relates vapor pressure to temperature?



26. What equation relates reaction rate to temperature?



27. What happens to entropy when the number of moles of gas increases?



28. What happens to entropy when a solid dissolves in a liquid?



29. What happens to entropy when a gas condenses to a liquid?



30. What is the change in Gibbs free energy when one mole of a compound is formed from its elements?



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HAT Subject Test

Conducting Body: Higher Education Commission (HEC)
Frequency: Quarterly | Time: 120 Minutes
Negative Marking: No

⚡ Official Test Pattern (Total: 100 MCQs):

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❓ Frequently Asked Questions about HAT Subject

What formula is used to calculate merit in HAT Subject?

There is no single HEC merit calculation formula for HAT Subject Test. Universities determine their own merit criteria. Common weightages include: 30% Academic + 50% HAT + 20% Interview (only where specified by the university)

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Higher Education Commission (HEC)

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100 MCQs

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120 minutes

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Computer Sciences (100 MCQs), Electrical Engineering (100 MCQs), Software Engineering (100 MCQs)