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JEE · NEET Previous Year Question

$The water quality of a pond was analysed and its BOD was found to be 4. The pond has$

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

A $Highly polluted water$
B $Water has high amount of fluoride compounds$
C $Very clean water$
D $Slightly polluted water$

Correct answer: C

Solution

(c) Clean water as BOD value of < 5 while polluted water has BOD of 15 or more.

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