Question

Q4. Which gas is used to kill microorganisms present in the sewage water?
Q5) Name two organic and inorganic impurities present in sewage.
Q6) Name the processes involved in the treatment of waste water.
Q7. Name any two water borne diseases.
Q8) What is the function of the bar screen used in a Wastewater Treatment Plant?​

Answer 1

Answer:

chlorine is used to kill microorganism presents in the sewage water