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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

Observe the picture containing a kettle and note that it has salt water in it and answer the following questions: What is name of the process that is dpne to the - Science

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Question

Observe the picture containing a kettle and note that it has salt water in it and answer the following questions:

  1. What is name of the process that is done to the kettle? 
  2. What will happen to the content of the kettle?
  3. What kind of change is occurring on the cold surface of the metal plate? 
  4. What can you say about the quality of water that is obtained in the beaker?
Short Note

Solution

  1. Boiling
  2. Water in the kettle gets converted into vapour
  3.  Endothermic
  4.  Water vapour converted into liquid (condensation)
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Chapter 3: Changes Around Us - Evaluation [Page 55]

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Samacheer Kalvi Science - Term 2 [English] Class 7 TN Board
Chapter 3 Changes Around Us
Evaluation | Q XII. 2. | Page 55
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