Tag: grouping of materials

Questions Related to grouping of materials

During the formation of rain, when water vapour changes back to liquid in the form of rain drops:

chemistry grouping of materials properties of materials grouping and classification of objects nature of things

  1. Heat is absorbed

  2. Heat is released

  3. Heat is first absorbed and then released

  4. There is no exchange of heat

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Correct Option: B
Explanation:

The energy contained in the gaseous form (vapour) is more than the energy contained in the liquid form (water). Therefore when vapour changes to water it loses some heat.