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UGC NET Paper 1
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What is the combination of Smog?

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Important Questions on People and Environment

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UGC NET Paper 1
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The term smog was given in 1905 By
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UGC NET Paper 1
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A smog that occurs due to low temperature and has a reducing environment is:
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UGC NET Paper 1
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The smog that is mainly caused by automobile exhausts at high temperatures over congested metropolitan cities due to still air is called:
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UGC NET Paper 1
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London's smog of 1952 Killed about 4000 Persons, due to
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UGC NET Paper 1
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Some pollutants are

(i) Carbon monoxide
(ii) Nitrogen dioxide
(iii) Ethylene
(iv) Lead tetraethyl
(v) Sulphur dioxide
(vi) Unburnt hydrocarbons
(vii) Partially oxidized products of formaldehyde and acetaldehyde

The photochemical SMOG formation takes place by

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UGC NET Paper 1
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Some pollutants are

1. Carbon monoxide

2. Nitrogen dioxide

3. Ethylene

4. Lead tetraethyl

5. Sulphur-dioxide

6. Unburnt hydrocarbons

7. Partially oxidized products of form aldehyde and acetaldehyde

In the above question, toxic pollutants of automobile exhaust in these are

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UGC NET Paper 1
IMPORTANT
Photochemical smog always contains