From this App you can learn:

Discuss and explore how substances behave when changed into various states and relate to everyday science.
Investigate the process of evaporation, condensation, melting, freezing and relate their applications in daily life scenarios.
Explore about the concept of latent heat of a substance and distinguish from specific heat.
Discuss, examine and investigate about the concept of regelation and its application in daily life.

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This topic covers under Chemistry subject as a part of the Thermal Physics topic
and this topic contains following sub topics
Change Of State
Evaporation
Condensation
Latent heat
Regelation
Cold burn