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प्रश्न
The primary treatment of waste water involves the removal of ______.
विकल्प
dissolved impurities
stable particles
toxic substances
harmful bacteria
उत्तर
The primary treatment of waste water involves the removal of stable particles.
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संबंधित प्रश्न
Explain the different steps involved during primary treatment phase of sewage.
What is sewage? In which way can sewage be harmful to us?
Answer the following question.
Secondary treatment of the sewage is also called Biological treatment. Justify this statement and explain the process.
What are flocs with respect to sewage treatment?
Small part of activated sludge is passed back into primary sedimentation tank.
If the above statement is correct then rewrite as it is and in case it is incorrect then reframe it.
Small part of activated sludge is passed back into ______ and major part is pumped into large tanks called ______.
Which of the following occurs during secondary treatment?
Which of the following process is a part of preliminary treatment of sewage?
BOD of waste water is estimated by measuring the amount of ______.
What would happen if oxygen availability to activated sludge flocs is reduced?
