Atmospheric Pollution
CHXI14:ENVIRONMENTAL CHEMISTRY

318468 Aerosols present in air are

1 negatively charged
2 positively charged
3 neutral
4 combination of all of the above.
CHXI14:ENVIRONMENTAL CHEMISTRY

318469 The secondary precussors of photochemical smog are

1 \(\mathrm{SO}_{2}\) and \(\mathrm{NO}_{2}\)
2 \(\mathrm{SO}_{2}\) and hydrocarbons
3 \(\mathrm{NO}_{2}\) and hydrocarbons
4 \(\mathrm{O}_{3}\) and PAN
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
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 \(\mathrm{CO}_{2}\) 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.
CHXI14:ENVIRONMENTAL CHEMISTRY

318468 Aerosols present in air are

1 negatively charged
2 positively charged
3 neutral
4 combination of all of the above.
CHXI14:ENVIRONMENTAL CHEMISTRY

318469 The secondary precussors of photochemical smog are

1 \(\mathrm{SO}_{2}\) and \(\mathrm{NO}_{2}\)
2 \(\mathrm{SO}_{2}\) and hydrocarbons
3 \(\mathrm{NO}_{2}\) and hydrocarbons
4 \(\mathrm{O}_{3}\) and PAN
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
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 \(\mathrm{CO}_{2}\) 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.
CHXI14:ENVIRONMENTAL CHEMISTRY

318468 Aerosols present in air are

1 negatively charged
2 positively charged
3 neutral
4 combination of all of the above.
CHXI14:ENVIRONMENTAL CHEMISTRY

318469 The secondary precussors of photochemical smog are

1 \(\mathrm{SO}_{2}\) and \(\mathrm{NO}_{2}\)
2 \(\mathrm{SO}_{2}\) and hydrocarbons
3 \(\mathrm{NO}_{2}\) and hydrocarbons
4 \(\mathrm{O}_{3}\) and PAN
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
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 \(\mathrm{CO}_{2}\) 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.
CHXI14:ENVIRONMENTAL CHEMISTRY

318468 Aerosols present in air are

1 negatively charged
2 positively charged
3 neutral
4 combination of all of the above.
CHXI14:ENVIRONMENTAL CHEMISTRY

318469 The secondary precussors of photochemical smog are

1 \(\mathrm{SO}_{2}\) and \(\mathrm{NO}_{2}\)
2 \(\mathrm{SO}_{2}\) and hydrocarbons
3 \(\mathrm{NO}_{2}\) and hydrocarbons
4 \(\mathrm{O}_{3}\) and PAN
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
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 \(\mathrm{CO}_{2}\) 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.