Iodine, Bromine and Ozone Treatment MCQ

Test your knowledge with important Iodine, Bromine and Ozone Treatment MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Iodine, Bromine and Ozone Treatment MCQs on Bissoy. Bissoy App

• The dosage of ozone for municipal water treatment is __________
  ক

  0.5 ppm

  খ

  1ppm

  গ

  1.5 ppm

  ঘ

  2ppm
• The water is free from oxidizable materials. What is the dosage of ozone required?
  ক

  0.01ppm

  খ

  0.1-0.2ppm

  গ

  0.2-0.3ppm

  ঘ

  0.4-0.5ppm
• Which of the following is most effective in the killing of bacteria present in water?
  ক

  Nascent oxygen

  খ

  Chlorine

  গ

  HOBr

  ঘ

  I2
• What happens during the breakdown of ozone?
  ক

  CO2 is formed

  খ

  Nascent oxygen is formed

  গ

  CO2 and Nascent oxygen is formed

  ঘ

  Formation of oxygen and water takes place.
• The ozone generators can convert ____ % of feed oxygen into ozone.
  ক

  1

  খ

  5

  গ

  1-4

  ঘ

  10
• Ozone is a _______ allotrope of oxygen.
  ক

  Monoatomic

  খ

  Diatomic

  গ

  Triatomic

  ঘ

  Polyatomic
• Iodine is a better disinfectant to kill virus than hypoiodous acid.
  ক

  True

  খ

  False
• What happen to the concentration of iodine when the pH is between 6 and 8?
  ক

  I2 decreases whereas HIO increases

  খ

  I2 increases, whereas HIO decreases

  গ

  Both I2 and HIO increases

  ঘ

  Both I2 and HIO decreases
• a HIO + b OH- <=> HIO3 + b H2O + b I–. What are the values of a and b respectively in the above equation?
  ক

  1, 2

  খ

  1, 3

  গ

  3, 2

  ঘ

  3, 1
• The chemical formula of iodate is __________
  ক

  HIO3

  খ

  HIO

  গ

  HIO2

  ঘ

  H2IO2
• What happens to the hypoiodous acid when the pH is over 8?
  ক

  HIO is stable

  খ

  Formation of hypoiodite ion takes place

  গ

  Formation of iodine and hypoiodite ion takes place

  ঘ

  Formation of iodine and iodate takes place
• At what pH, the dissociation of hypoiodous acid takes place?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• The chemical formula of hypoiodous acid is __________
  ক

  H2IO

  খ

  H2I

  গ

  HIO

  ঘ

  HI2