Aerosols present in air may be neutral, negatively charged or positively charged.
CHXI14:ENVIRONMENTAL CHEMISTRY
318469
The secondary precussors of photochemical smog are
1 and
2 and hydrocarbons
3 and hydrocarbons
4 and PAN
Explanation:
Conceptual Questions
CHXI14:ENVIRONMENTAL CHEMISTRY
318470
The viable particulates stand for I. Minute living organisms present in atmosphere. II. Minute non-living particles present in atmosphere. Choose the correct statements.
1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
Explanation:
Statement I is correct, while II is incorrect. It's correct form is as follows: The variable particulates, e.g. bacteria, fungi, moulds, algae etc., are minute living organisms that are dispersed in atmosphere.
CHXI14:ENVIRONMENTAL CHEMISTRY
318471
Photochemical oxidants such as PAN or PBN are formed
1 By the action of nitrogen oxides on hydrocarbons in presence of sunlight.
2 By the action of on hydrocarbons in presence of sunlight.
3 By the action of hydrogen sulphide on hydrocarbons in presence of sunlight.
4 By the action of hydrogen in presence of sunlight.
Aerosols present in air may be neutral, negatively charged or positively charged.
CHXI14:ENVIRONMENTAL CHEMISTRY
318469
The secondary precussors of photochemical smog are
1 and
2 and hydrocarbons
3 and hydrocarbons
4 and PAN
Explanation:
Conceptual Questions
CHXI14:ENVIRONMENTAL CHEMISTRY
318470
The viable particulates stand for I. Minute living organisms present in atmosphere. II. Minute non-living particles present in atmosphere. Choose the correct statements.
1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
Explanation:
Statement I is correct, while II is incorrect. It's correct form is as follows: The variable particulates, e.g. bacteria, fungi, moulds, algae etc., are minute living organisms that are dispersed in atmosphere.
CHXI14:ENVIRONMENTAL CHEMISTRY
318471
Photochemical oxidants such as PAN or PBN are formed
1 By the action of nitrogen oxides on hydrocarbons in presence of sunlight.
2 By the action of on hydrocarbons in presence of sunlight.
3 By the action of hydrogen sulphide on hydrocarbons in presence of sunlight.
4 By the action of hydrogen in presence of sunlight.
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CHXI14:ENVIRONMENTAL CHEMISTRY
318468
Aerosols present in air are
1 negatively charged
2 positively charged
3 neutral
4 combination of all of the above.
Explanation:
Aerosols present in air may be neutral, negatively charged or positively charged.
CHXI14:ENVIRONMENTAL CHEMISTRY
318469
The secondary precussors of photochemical smog are
1 and
2 and hydrocarbons
3 and hydrocarbons
4 and PAN
Explanation:
Conceptual Questions
CHXI14:ENVIRONMENTAL CHEMISTRY
318470
The viable particulates stand for I. Minute living organisms present in atmosphere. II. Minute non-living particles present in atmosphere. Choose the correct statements.
1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
Explanation:
Statement I is correct, while II is incorrect. It's correct form is as follows: The variable particulates, e.g. bacteria, fungi, moulds, algae etc., are minute living organisms that are dispersed in atmosphere.
CHXI14:ENVIRONMENTAL CHEMISTRY
318471
Photochemical oxidants such as PAN or PBN are formed
1 By the action of nitrogen oxides on hydrocarbons in presence of sunlight.
2 By the action of on hydrocarbons in presence of sunlight.
3 By the action of hydrogen sulphide on hydrocarbons in presence of sunlight.
4 By the action of hydrogen in presence of sunlight.
Aerosols present in air may be neutral, negatively charged or positively charged.
CHXI14:ENVIRONMENTAL CHEMISTRY
318469
The secondary precussors of photochemical smog are
1 and
2 and hydrocarbons
3 and hydrocarbons
4 and PAN
Explanation:
Conceptual Questions
CHXI14:ENVIRONMENTAL CHEMISTRY
318470
The viable particulates stand for I. Minute living organisms present in atmosphere. II. Minute non-living particles present in atmosphere. Choose the correct statements.
1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
Explanation:
Statement I is correct, while II is incorrect. It's correct form is as follows: The variable particulates, e.g. bacteria, fungi, moulds, algae etc., are minute living organisms that are dispersed in atmosphere.
CHXI14:ENVIRONMENTAL CHEMISTRY
318471
Photochemical oxidants such as PAN or PBN are formed
1 By the action of nitrogen oxides on hydrocarbons in presence of sunlight.
2 By the action of on hydrocarbons in presence of sunlight.
3 By the action of hydrogen sulphide on hydrocarbons in presence of sunlight.
4 By the action of hydrogen in presence of sunlight.
