4th Class Science Matter and Materials Question Bank Matter

  • question_answer
    Which of the following conversions is correct?

    A)  \[\text{Water }\xrightarrow{\text{heat}}\text{Steam  }\xrightarrow{\text{heat}}\text{ Ice}\]

    B)  \[\text{Steam }\xrightarrow{cool}\text{Water }\xrightarrow{cool}\text{ Ice}\]

    C)  \[\text{Water}\xrightarrow{cool}\text{Ice }\xrightarrow{cool}Steam\]

    D)  \[\text{Steam }\xrightarrow{heat}\text{Ice }\xrightarrow{cool}Water\]

    Correct Answer: B

    Solution :

    Steam on cooling becomes water, which on cooling changes to ice.


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