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What is physical changes

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What is physical changes

    • Posted by Haripriya Jena 3 years, 11 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rashika Maithil 3 years, 11 months ago

    Temporary changed are called physical change

    0Thank You

    Gaurav Seth 3 years, 11 months ago

    Physical Changes

    1. The changes in which no new substance is formed are called physical changes.
    2. The molecular composition remains totally same.
    3. For example, the molecular composition of ice and water is not changed.
    4. The energy needed to bring a physical change is equal to the amount of energy required to reverse the change. There is no change in energy.
    5. The changes are reversible and temporary. The reaction gets reversed if the cause producing the change is removed. For example, water on freezing forms ice and ice on melting forms water.
    6. Examples of physical change
      1. Dissolution of sugar in water
      2. Melting of ice
      3. Freezing of water
      4. Boiling of water
      5. Melting of wax

    1Thank You

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