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Environmental Chemistry > Atmoshperic pollution > Flashcards

Atmoshperic pollution Flashcards

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1
Q

name non biodegradable pollutants

A

DDT, arsenic salts of heavy metals, radioactive material and plastics

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2
Q

troposhpere limit is

A

10km from sea level

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3
Q

primary pollutant example

A

CO2, DDT

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4
Q

secondary pollutant example

A

natural fog, pollen grains, bacteria, volcanic eruptions, dust, smoke, mist fumes, gases and vapours, O3, PAN

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5
Q

PAN full form

A

Peroxyacetyl nitrate

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6
Q

diseases caused by oxides of sulphur

A

asthma, bronchitis, emphysema, irritation of eyes, stiffness in flowers

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7
Q

irritation of eyes is caused by

A

SO2

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8
Q

SO2 + O3 —–>

A

SO3 + O2

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9
Q

SO2 + H2O2 —>

A

H2SO4

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10
Q

NO +O3 —>

A

NO2 + O2

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11
Q

NO2 effect on plant

A

damages leaves and retards photosynthesis

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12
Q

nature of hydrocarbons produced on incomplete combustion

A

carcinogenic

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13
Q

which is the direct sink of CO

A

micro organisms

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14
Q

CO effect on women

A

cigarette smoke produces CO which can be harmful for pregnanyt women and cause birth defects and abortions

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15
Q

how much solar radiation is absorbed by the earth

A

75%

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16
Q

greenhouse gases

A

CH4, N2O (nitrous oxide), CO2, H2O, O3, CFC

17
Q

greenhouse gas cause which diseases

A

dengue, malaria, yellow fever, sleeping sickness

18
Q

pH of acid rain

A

<5.6

19
Q

viable pollutants

A

bacteria, fungi, moulds, algae

20
Q

non viable pollutants

A

smoke, fume, dust, mist

21
Q

what is smog

A

opaque or dark fog having smoke, dust, gases and water vapours

22
Q

components of classical smog

A

smoke fog, SO2

23
Q

names of classical smog

A

london smog, reducing smog

24
Q

which is reducing smog

A

classical/london smog

25
Q

photochemical smog contains

A

O3, PAN, NOx

26
Q

climate for classical

A

cold humid

27
Q

climate for photochemical

A

warm, dry, sunny

28
Q

which is oxidising smog

A

photochemical smog

29
Q

colour of classical smog

A

dark brown

30
Q

colour of photochemical smog

A

reddish brown

31
Q

what does NO2 and O3 produce in photochemical smog

A

formaldehyde, acrolein, PAN

32
Q

whcih pollutants are present in stratosphere

A

chlorine nitrate,O3, CFC, NO2

33
Q

when does the ozone hole get bigger

A

aug-september

34
Q

cholrine nitrate formula

A

ClONO2

35
Q

chemical weed of troposphere

A

O3

36
Q

effects of deplettion of ozone layer

A

skin cancer, ageing, DNA, cataract, increase transpiraation, damage paint and fibre

Environmental Chemistry (2 decks)

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