The presence of fluorides in drinking water helps in

Environmental Engineering Mcqs
BILAL KHATTAK0

A.Purification of water
B.Preventing decaying of teeth
C.Deodourisation of water
D.Reduces fungi formation
E.Killing aerobic bacteria

Related Mcqs:

  1. The presence of high coliform counts in water indicates __________?
  2. Bacteria which grow either in the presence or absence of oxygen___________??
  3. Direction of feed water is done because
  4. On board ships, the source of drinking water may be
  5. Disinfection of drinking water means removal of
  6. Terrestrial animals like kangaroo rat survive even without drinking water since__________??
  7. Secretion of sebaceous glands in mammals helps mainly in:
  8. The becteria that can survive without oxygen is called
  9. Heavy water is obtained by
  10. Small concentrations of fluorides in water

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