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Environmental Chemistry - 1
1.
Environmental Chemistry is inter-related with all other branches of _____________.
a) NOx
b) Nitrogen dioxide
c) Nitrogen
d) Science
2.
______________ is used by nitrogen fixing Bacteria.
a) NOx
b) Nitrogen dioxide
c) Carbon monoxide
d) Nitrogen
3.
______________ is three times lighter than air.
a) NOx
b) Nitrogen
c) Nitrogen dioxide
d) Carbon monoxide
4.
Motor vehicles, Railways and aircraft is the major source (75%) of _____________.
a) Nitrogen dioxide
b) Carbon monoxide
c) Nitrogen
d) NOx
5.
The gases Nitric oxide NO and Nitrogen dioxide NO
2
are represented by ___________.
a) Nitrogen dioxide
b) Organic
c) Nitrogen
d) NOx
6.
__________ is produced when Nitric oxide react with oxygen.
a) Nitrogen dioxide
b) Nitrogen
c) Organic
d) NOx
7.
SO
2
and SO
3
because of their __________ odour are very irritant and ________.
a) Carbon monoxide
b) Pungent, Suffocating
c) Polycyclic aromatics
d) Depolymerization
8.
If Smog contains high contents of SO
2
it is chemically known as ______________.
a) Carbon monoxide
b) Depolymerization
c) Polycyclic aromatics
d) Reducing smog
9.
___________ Hydrocarbons are known to be carcinogenic.
a) Carbon monoxide
b) Polycyclic aromatics
c) Depolymerization
d) Aeration
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