3rd Class Science Matter and Materials Question Bank Matter and Materials

  • question_answer
    When water changes into steam, it is known as _______.

    A) Condensation             

    B) Evaporation  

    C) Melting                        

    D) None of these

    Correct Answer: B

    Solution :

    When water changes into steam, it is known as evaporation. The original state of water is in liquid state, however, when we increase the temperature of water by boiling it, it changes from one form to another. The particles of water start moving at high speed. This process is called evaporation. 


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