The measured BOD values|d and f Block Elements| JEE MAIN2022

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JEE MAIN 2022

26-6-22_S2

Question

The measured BOD values for four different water samples (A-D) are as follows: $\mathrm{A}=3 \mathrm{ppm}: \mathrm{B}=18 \mathrm{ppm}: \mathrm{C}-21 \mathrm{ppm}: \mathrm{D}=4 \mathrm{ppm}$. The water samples which can be called as highly polluted with organic wastes, are

Select the correct option:

A

A and B

B

A and D

C

B and C

D

B and D

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