Water samples with BOD value|Electrochemistry| JEE-MAIN 2019

JEE-MAIN 2019

12-01-2019 S1

Question

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

Select the correct option:

Clean and Highly polluted

Clean and Clean

Highly polluted and Clean

Highly polluted and Highly polluted

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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

Question Tags

JEE Main

Chemistry

Easy

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