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Communicable disease and its incubation period.
Disease Incubation periodChicken pox 14-16 days can vary from 10-21 daysMeasles from 10 days of exposure to onset of fever, …
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Horrock’s apparatus
Q. Horrock’s apparatus estimates: a. Free cholorine b. Combined Chlorine c. a+b d. Chlorine demand. See answer & explanation Correct …
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