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B.O.D values of four sample of water \( A, B, C \) and \( D \) is given below
A. \( 160 \mathrm{ppm} \)
B. \( 35 \mathrm{ppm} \)
C. \( 180 \mathrm{ppm} \)
D. \( 25 \mathrm{ppm} \)
The decreasing order of extent of pollution in water is
Options:
A. \( 160 \mathrm{ppm} \)
B. \( 35 \mathrm{ppm} \)
C. \( 180 \mathrm{ppm} \)
D. \( 25 \mathrm{ppm} \)
The decreasing order of extent of pollution in water is
Solution:
2454 Upvotes
Verified Answer
The correct answer is:
\( C>A>B>D \)
Less polluted water has lower B.O.D value.
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