Q. The number of organisms in disinfection process can be expressed by ____________

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Q. Efficiency of dilution decreases rapidly when the coefficient of dilution is ____________

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Q. When the coefficient of dilution is 1, then which of the following statement is correct?

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Q. The temperature of disinfection is inversely proportional to the killing of organisms.

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Q. The chemical formula of hypoiodous acid is __________

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Q. At what pH, the dissociation of hypoiodous acid takes place?

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Q. What happens to the hypoiodous acid when the pH is over 8?

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Q. The chemical formula of iodate is __________

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Q. a HIO + b OH⁻ <=> HIO₃ + b H₂O + b I⁻. What are the values of a and b respectively in the above equation?

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Q. What happen to the concentration of iodine when the pH is between 6 and 8?

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Q. Iodine is a better disinfectant to kill virus than hypoiodous acid.

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Q. Ozone is a _______ allotrope of oxygen.

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Q. The ozone generators can convert ____ % of feed oxygen into ozone.

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Q. What happens during the breakdown of ozone?

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Q. Which of the following is most effective in the killing of bacteria present in water?

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Q. The water is free from oxidizable materials. What is the dosage of ozone required?

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Q. The dosage of ozone for municipal water treatment is __________

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