Iodine & Ozone Treatment MCQs : This section focuses on the "Iodine & Ozone Treatment". These Multiple Choice Questions (MCQs) should be practiced to improve the Iodine & Ozone Treatment skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
a HIO + b OH- <=> HIO3 + b H2O + b I–. What are the values of a and b respectively in the above equation?
A. 1, 2
B. 1, 3
C. 3, 2
D. 3, 1
Question 2
At what pH, the dissociation of hypoiodous acid takes place?
A. 1
B. 2
C. 3
D. 4
Question 3
Iodine is a better disinfectant to kill virus than hypoiodous acid.
A. True
B. False
Question 4
Ozone is a _______ allotrope of oxygen.
A. Monoatomic
B. Diatomic
C. Triatomic
D. Polyatomic
Question 5
The chemical formula of hypoiodous acid is __________
A. H2IO
B. H2I
C. HIO
D. HI2
Question 6
The dosage of ozone for municipal water treatment is __________
A. 0.5 ppm
B. 1ppm
C. 1.5 ppm
D. 2ppm
Question 7
The ozone generators can convert ____ % of feed oxygen into ozone.
A. 1
B. 5
C. 1-4
D. 10
Question 8
The water is free from oxidizable materials. What is the dosage of ozone required?
A. 0.01ppm
B. 0.1-0.2ppm
C. 0.2-0.3ppm
D. 0.4-0.5ppm
Question 9
What happen to the concentration of iodine when the pH is between 6 and 8?
A. I2 decreases whereas HIO increases
B. I2 increases, whereas HIO decreases
C. Both I2 and HIO increases
D. Both I2 and HIO decreases
Question 10
What happens during the breakdown of ozone?
A. CO2 is formed
B. Nascent oxygen is formed
C. CO2 and Nascent oxygen is formed
D. Formation of oxygen and water takes place.
Question 11
What happens to the hypoiodous acid when the pH is over 8?
A. HIO is stable
B. Formation of hypoiodite ion takes place
C. Formation of iodine and hypoiodite ion takes place
D. Formation of iodine and iodate takes place
Question 12
Which of the following is most effective in the killing of bacteria present in water?
A. Nascent oxygen
B. Chlorine
C. HOBr
D. I2