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Friday 16 August 2019

9th class Science 9th class CHAPTER -1 MATTER IN OUR SURROUNDINGS (6)

Science 9th class CHAPTER -1 MATTER IN OUR SURROUNDINGS (6)

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CHAPTER -1   
MATTER IN OUR SURROUNDINGS
                                                      (9th class)


  1. Effect of changing of temperature and pressure.
  2. Melting (fusion)
  3. Boiling (Vaporization)
  4. Condensation.
  5. Freezing.
  6. Effect of change in pressure on the state of matter.










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