Selina solutions

Selina solutions

Grade 8

Heat Transfer | Short/Long Answer Questions

Question 10

Q10) What is boiling? Explain it on the basis of molecular motion?

Solution:

The change of liquid to vapours on heating at a constant temperature is called boiling.

The kinetic energy of molecules determines the molecular motion. On heating, the kinetic energy of molecules of liquid increases.These molecules start moving more rapidly and away from each other. Thus, converting from liquid to gas.

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subject-cta

Question 10

Q10) What is boiling? Explain it on the basis of molecular motion?

Solution:

The change of liquid to vapours on heating at a constant temperature is called boiling.

The kinetic energy of molecules determines the molecular motion. On heating, the kinetic energy of molecules of liquid increases.These molecules start moving more rapidly and away from each other. Thus, converting from liquid to gas.

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your physics exam ?

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Book a free class now
subject-cta
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