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6th Class Science Separation of Substances Question Bank Separation of Substances

  • question_answer
    Which of the following are involved in filtration technique?

    A)  Hair in our nostrils

    B)  Oil and air filters in cars

    C)  Air filters in air conditioners

    D)  All of the above

    Correct Answer: D

    Solution :

    In all the cases, dust is filtered out from the air by using filtration method.


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