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Chem > Air and Atmosphere > Flashcards

Air and Atmosphere Flashcards

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1
Q

What is the source of carbon monoxide?

A

Incomplete combustion of hydrocarbons

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2
Q

What are the harmful effects of carbon monoxide?

A

Reduces the ability of red blood cells to transport oxygen -> breathing difficulties, fatigue/brain damage

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3
Q

What are the preventive measures to reduce carbon monoxide?

A

Catalytic converter

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4
Q

What are the sources of sulfur dioxide?

A

Combustion of fossil fuels

Volcano activities

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5
Q

What are the harmful effects of sulfur dioxide and nitrogen oxides?

A

Breathing difficulties, lung inflammation, eye irritation, formation of acid rain

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6
Q

What are the preventive measures to reduce sulfur dioxide?

A

Flue gas desulfurisation

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7
Q

What are the sources of nitrogen oxides?

A

Reaction with oxygen in car engines

Lightning

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8
Q

What are the preventive measures to reduce nitrogen oxides?

A

Catalytic converter

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9
Q

What are the sources of methane?

A

Decay of dead matter, wetlands and marshes, agriculture

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10
Q

What are the harmful effects of methane?

A

Contributes to global warming

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11
Q

What are the preventive measures to reduce methane?

A

Reduce the emission of volatile organic compounds

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12
Q

What are the sources of unburned hydrocarbons?

A

Internal combustion engines of vehicles

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13
Q

What are the harmful effects oof unburned hydrocarbons?

A

Formation of components in photochemical smog

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14
Q

What are the preventive measures to reduce unburned hydrocarbons?

A

Catalytic converters

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15
Q

What are the sources of ozone?

A

Reaction of nitrogen oxides and unburned hydrocarbons in the presence of sunlight

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16
Q

What are the harmful effects of ozone?

A

Irritation to the respiratory system -> breathing difficulties, headache, fatigue

17
Q

What are the preventive measures of reducing ozone?

A

Reduce emission of nitrogen oxides

18
Q

How is acid rain formed?

A

Sulfur dioxide dissolves in water, forming sulfuric acid.

Nitrogen dioxide dissolves in water, forming nitric acid.

19
Q

What are the harmful effects of photochemical smog?

A

It reduces visibility, causes eye irritation and breathing difficulties.

20
Q

What are the harmful effects of acid rain?

A

Corrosion of structures, lowers pH of water bodies, promotes leeching of nutrients from the soil

21
Q

What is a catalytic converter?

A

Converts harmful air pollutants into harmless substances.

Chem (9 decks)

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