2. Questions Bank
  3. 7th Class
  4. Science
  5. Wastewater Story

7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer
    The impurities present in sewage are called__.

    A) Contaminants     

    B) Grit

    C) Organic                      

    D) Inorganic

    Correct Answer: A

    Solution :

    Contaminants 


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