Which of the following compounds is the most harmful component of photochemical smog?
- A$NO_2$
- B$PAN$
- C$SO_2$
- D$CH_3NO_2$
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Similar Questions
Which of the following is a gaseous pollutant?
Easy
View SolutionWhich of the given statements are correct, when carboxyhaemoglobin reaches $3-4 \%$ in blood?
$(I)$ Leads to headache
$(II)$ Results in cardiovascular problems
$(III)$ Increases the body temperature
$(IV)$ Leads to diarrhoea
$(I)$ Leads to headache
$(II)$ Results in cardiovascular problems
$(III)$ Increases the body temperature
$(IV)$ Leads to diarrhoea
$A$ water sample has $ppm$ level concentration of following anions:
$F^- = 10; \, SO_4^{2-} = 100; \, NO_3^- = 50$
The anion/anions that make/makes the water sample unsuitable for drinking is/are:
$F^- = 10; \, SO_4^{2-} = 100; \, NO_3^- = 50$
The anion/anions that make/makes the water sample unsuitable for drinking is/are:
Which of the following pollutants does not undergo decomposition by natural processes?
Easy
View SolutionWhich one of the following statements is $NOT$ correct?
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