Electrochemistry_JEE-Main-2021_240221_S2 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN 2021

24-02-2021 S2

Question

Given below are two statements :-
Statement I : The value of the parameter "Biochemical Oxygen Demand (BOD)" is important for survival of aquatic life.
Statement II : The optimum value of BOD is 6.5 ppm.
In the light of the above statements, choose the most appropriate answer from the options given below :

Select the correct option:

Statement I is false but Statement II is true

Both Statement I and Statement II are true

Statement I is true but Statement II is false

Both Statement I and Statement II are false

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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.

Question Tags

JEE Main

Chemistry