Lessons

Eamcet Chemistry
1 st Year : Unit 14.1 ( Environmental Chemistry ) - Environmental Chemistry - 1

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Q.

Match the following
List-I                                                 List-II
A)TLV                                               1) Oxygen required to oxidize organic substance present is polluted water
B) COD                                           2) Oxygen used by micro organisms present is water for 5 days
C) DO                                              3) Oxygen present in water is dissolved state
D) BOD                                          4)Permissible level of pollutant that can be present in a mine

View Answer

Correct choice: C

Explanation:

None
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