MPPSC 2018 General Studies Solved Paper-1

Question : 4 of 100

Marks: +1, -0

The main air pollutant(s) in metropolitan cities is/are

$O_3$
CO and $SO_2$
$CO_2$ and $NO_2$
None of these
none of the above

Solution:

(#) The main air pollutants in metropolitan cities are:
●Particulate matter (PM) –(PM 10) and (PM 2.5)
● Nitrogen oxides (NOx) –Nitric oxide (NO) and
Nitrogen dioxide

(NO_2)

● Sulphur dioxide

(SO_2)

● Carbon monoxide (CO)
● Ozone

(O_3)

Hence, none of the options is correct.

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