AIR POLLUTION I
What is the biggest natural sources of sulphur dioxide ? Trees, the ocean, lightning, volcanoes
Volcanoes
The government is thinking of restricting wood-burning stoves. Which type of pollution are they trying to reduce?
Particulates
This pollutant is the most deadly, binding to hemoglobin in red blood cells and preventing oxygen transport in the body. (CO)
Carbon Monoxide
What process plants do reduces the amount of carbon dioxide in the atmosphere?
Photosynthesis
This is where scientists have discovered a large weakened area in the ozone layer.
Antarctica
Which of the gases we have talked about today are not tested for when a car goes for its MOT?
Ozone
Which country where the "Killer Smog" happened?
London
Carbon dioxide in the atmosphere causes what effect?
Greenhouse
How carbon monoxide formed?
incomplete combustion of carbon-containing fuels
Which is the harmful particulate matter? PM ___
PM 2.5
Which important medical devices still use CFCs?
Asthma inhalers
Which year did the Killer smog occurred?
1952
Appears as a brownish gas pollutant
Nitrogen Oxide
This causes the following environmental damage:
"degradation of marble and granite structures; reduction in the ability of some plants to absorb nutrients due to low pH soil; lowering the survival rate of adult fish and fish eggs"
What is this phenomenon?
acid rain
Which type of rock will be most damaged by acid rain?
Igneous
Sedimentary
Metamorphic
Sedimentary (limestone)
What is the chemical formula for carbon monoxide?
CO
Which air pollutant should an individual person be most worried about?
Carbon monoxide (it can kill you while you sleep)
Gasoline is mostly made of octane, a chemical compound derived from a fossil fuel. When exposed to the air, it evaporates easily. This is an example of what?
volatile organic compound
Ozone, when present in the stratosphere, is beneficial to living organisms because it filters out some of the _____________ light given off by the sun.
ultraviolet
Gas and oil are mostly hydrocarbons. What two elements do they contain?
Carbon and hydrogen
What chemicals caused the hole in the ozone layer?
CFCs
Which air pollutant is the most visible, creating most of what we see as "smoke"?
Particulates
A colorless, odorless, tasteless, flammable gas that is slightly less dense than air.
Carbon monoxide
It appears as a colorless gas with a choking or suffocating odor and is a major source of acid rain
Sulfur dioxide
Where is nitrogen dioxide produced naturally?
Digestion, photosynthesis, rocks, lightning
Lightning (needs a high temperature)