Question
a.
True
b.
False
c.
May be True or False
d.
Can't say
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Q. Iodine is a better disinfectant to kill virus than hypoiodous acid.
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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. 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. The chemical formula of iodate is __________
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Q. What happens to the hypoiodous acid when the pH is over 8?
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Q. At what pH, the dissociation of hypoiodous acid takes place?
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Q. The chemical formula of hypoiodous acid is __________
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Q. The temperature of disinfection is inversely proportional to the killing of organisms.
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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. Efficiency of dilution decreases rapidly when the coefficient of dilution is ____________
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Q. The number of organisms in disinfection process can be expressed by ____________
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Q. For changing the concentration of disinfectant, the disinfecting efficiency is expressed by ____________
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Q. The expression loge N1/N = – kt m Where m is a constant such that m>1 represents ____________
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Q. The number of organisms destroyed is equal to the number of organisms remaining at time t = __________
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Q. The dimensional formula of rate constant used in Chicks law is ____________
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Q. The integration of the expression of Chicks law is given by ____________
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Q. Which of the following is the expression of Chicks law?
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Q. According to which of the following, organism destroyed by disinfection is proportional to organism remaining?
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Q. Consider the following variables.
i. Concentration of disinfectant
ii. Concentration of organisms
iii. Temperature
iv. Time of contact
Disinfection is the function of which of the following variables?
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Q. The contact time for disinfection by combined chlorine is ______________
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Q. The contact time for disinfection by free chlorine is ______________
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