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Water samples with BOD values of 4 ppm and 18 ppm, respectively, are  

a.

Highly polluted and clean

b.

Highly polluted and Highly polluted

c.

Clean and Highly polluted.

d.

Clean and Clean


Question ID - 52360 | Toppr Answer

Water samples with BOD values of 4 ppm and 18 ppm, respectively, are  

a.

Highly polluted and clean

b.

Highly polluted and Highly polluted

c.

Clean and Highly polluted.

d.

Clean and Clean

1 Answer - 5876 Votes

3537

Answer Key : (c) -

Clean water would have BOD value of less than 5 ppm whereas highly polluted water could have a BOD value of 17 ppm or more.



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