7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer Which process can be used to make sea water fit for drinking?

    A) Filtration                     

    B) Boiling

    C) Chlorination               

    D) Reverse osmosis

    Correct Answer: D

    Solution :

    Reverse osmosis

adversite


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

Free
Videos