6th Class Science Sample Paper Science Sample Paper-8

  • question_answer
    Give examples to explain the difference between changes that can or cannot be reversed.

    Answer:

    Some changes that can be reversed are:
    Melting of ice, heating of milk, drying of clothes, stretching the rubber band etc.                                             
    Some changes cannot be reversed are:
    Cooking of food, souring of milk, burning of paper, ripening of fruits etc.                                                        
    The changes in which the original state can: be recovered are called reversible changes while tis changes in which the original state cannot be recovered are called irreversible changes.


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