2. Questions Bank
  3. 6th Class
  4. Science
  5. Air Around us

6th Class Science Air Around us Question Bank Air around us

  • question_answer
    Which of the following processes need oxygen?                           

    A)  Combustion  

    B)         Respiration    

    C)         Oxidation    

    D)         All of the above

    Correct Answer: D

    Solution :

    Oxygen is necessary for combustion, respiration and oxidation.


You need to login to perform this action.
You will be redirected in 3 sec spinner