Ma'am what is 455 litre of water?..in beaker actually we took only like 1 litre no ma'am?
@pratiksha81503 жыл бұрын
It is a rule of the horrocks apparatus....if blue is seen in the nth cup then 2n grams is the amount of bleaching powder will be required to disinfect 100 gallons of water. 100 gallons is approximately 455 liters.