The standard B.O.D. at 20&Deg;C, is taken for the consumption in Options: A . &nbspone day B . &nbsp2 days C . &nbsp3 days D . &nbsp4 days E . &nbsp5 days.

The standard B.O.D. at

Question

The standard B.O.D. at 20&Deg;C, is taken for the consumption in

Answer: Option E

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