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

  • question_answer
    Which of the following is/are gases? 1. Oxygen    2. Carbon     3. Carbon-dioxide

    A) 1 only                          

    B) 2 only         

    C) Both 1 and 2   

    D) 1 and 3

    Correct Answer: D

    Solution :

    Oxygen and carbon dioxide are gases. Carbon is not a gas. It is an element. Graphite and diamond are solids and are made of carbon.


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