Why is it necessary to measure the $BOD$ value of water?
- ATo determine the amount of dissolved oxygen.
- BTo measure the extent of pollution caused by biodegradable organic matter.
- CTo check the concentration of heavy metals.
- DTo measure the acidity of water.
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Similar Questions
Match $List-I$ with $List-II$:
$List-I$ (Pollutant) $List-II$ (Source) $A$. Microorganisms $I$. Strip mining $B$. Plant nutrients $II$. Domestic sewage $C$. Toxic heavy metals $III$. Chemical fertilizer $D$. Sediment $IV$. Chemical factory
Choose the correct answer from the options given below:
| $List-I$ (Pollutant) | $List-II$ (Source) |
| $A$. Microorganisms | $I$. Strip mining |
| $B$. Plant nutrients | $II$. Domestic sewage |
| $C$. Toxic heavy metals | $III$. Chemical fertilizer |
| $D$. Sediment | $IV$. Chemical factory |
Choose the correct answer from the options given below:
Which among the following statements is $NOT$ true according to the principles of green chemistry?
Among the following, the one which is not a "green house gas" is:
Arrange the following hydrocarbon fuels in increasing order of their polluting strength: $LPG$,$CNG$,and Kerosene.
Medium
View SolutionThe irritant red haze in traffic and congested places is due to
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