Class 11 Chemistry Environmental Chemistry Environmental Study

Easy

The water quality of a pond was analysed and its $BOD$ was found to be $4$. The pond has

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A
Highly polluted water
B
Water has high amount of fluoride compounds
C
Very clean water
D
Slightly polluted water

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Environmental Chemistry

Subtopic

Environmental Study

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