Air Pollution
Presentation
•
Science, Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Osheen Dixon
Used 3+ times
FREE Resource
7 Slides • 10 Questions
1
Multiple Choice
When can filtration be used to separate a mixture?
When you have a mixture of an insoluble solid and a liquid
When you have a mixture of a soluble solid and a liquid
When you have a mixture of miscible liquids
2
Multiple Choice
When substances are combined in a mixture, their chemical properties change.
True
False
3
Multiple Choice
When can crystallization be used to separate a mixture?
When you have a mixture of an insoluble solid and a liquid
When you have a mixture of a soluble solid and a liquid
When you have a mixture of miscible liquid
4
Multiple Choice
In fractional distillation, where is the hottest point of the fractioning column?
the top
the middle
the bottom
5
Multiple Choice
Electrons were discovered before protons or neutrons.
True
False
6
-Thomas J. Watson
7
Some text here about the topic of discussion
Watch the video of the burning of sulfur in the presence of oxygen.
What do you think the product is?
8
To list some atmospheric pollutants and complete word equations to describe how atmospheric pollutants can be made.
To describe the health impacts of atmospheric pollutants.
To evaluate the negative social, economic, and environmental consequences of atmospheric pollution.
9
https://www.youtube.com/watch?v=2ri95j0cShg
10
Multiple Choice
Nitrogen forming nitrogen monoxide
Nitrogen + oxygen à nitrogen dioxide
N2(g) + 2O2(g) → 2NO2 (g)
Nitrogen + oxygen à nitrogen monoxide
N2(g) + O2(g) → 2NO (g)
hydrocarbon + oxygen à carbon dioxide + water
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
hydrocarbon + oxygen à carbon monoxide + water
2CH4(g) + 2O2(g) → 2CO(g) + H2O(g)
11
Multiple Choice
Nitrogen forming nitrogen dioxide
Nitrogen + oxygen à nitrogen dioxide
N2(g) + 2O2(g) → 2NO2 (g)
Nitrogen + oxygen à nitrogen monoxide
N2(g) + O2(g) → 2NO (g)
hydrocarbon + oxygen à carbon dioxide + water
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
hydrocarbon + oxygen à carbon monoxide + water
2CH4(g) + 2O2(g) → 2CO(g) + H2O(g)
12
Multiple Choice
A hydrocarbon forming carbon dioxide and water
Nitrogen + oxygen à nitrogen dioxide
N2(g) + 2O2(g) → 2NO2 (g)
Nitrogen + oxygen à nitrogen monoxide
N2(g) + O2(g) → 2NO (g)
hydrocarbon + oxygen à carbon dioxide + water
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
hydrocarbon + oxygen à carbon monoxide + water
2CH4(g) + 2O2(g) → 2CO(g) + H2O(g)
13
Multiple Choice
A hydrocarbon forming carbon, carbon monoxide and water
Nitrogen + oxygen à nitrogen dioxide
N2(g) + 2O2(g) → 2NO2 (g)
Nitrogen + oxygen à nitrogen monoxide
N2(g) + O2(g) → 2NO (g)
hydrocarbon + oxygen à carbon dioxide + water
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
hydrocarbon + oxygen à carbon monoxide + water
2CH4(g) + 2O2(g) → 2CO(g) + H2O(g)
14
Multiple Choice
Sulfur forming sulfur dioxide
Sulfur + oxygen à sulfur dioxide
S(l) + O2(g) → SO2(g)
Nitrogen + oxygen à nitrogen monoxide
N2(g) + O2(g) → 2NO (g)
hydrocarbon + oxygen à carbon dioxide + water
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
hydrocarbon + oxygen à carbon monoxide + water
2CH4(g) + 2O2(g) → 2CO(g) + H2O(g)
15
CARBON DIOXIDE:
•A greenhouse gas – absorbs long wavelength radiation and contributes to global warming
SULFUR DIOXIDE:
•Mixes with water vapour in the clouds to form sulfuric acid – acid rain
NITROGEN OXIDES:
•Toxic
•Can trigger some people’s asthma
•Cause acid rain
16
CARBON MONOXIDE:
When not enough oxygen is present, incomplete combustion occurs and carbon monoxide is produced instead of carbon dioxide
•Toxic gas – colourless and odourless
•Red blood cells pick up carbon monoxide and carry it in the blood instead of oxygen (binds to haemoglobin)
•Poisoned individual becomes starved of oxygen, drowsy, loses consciousness and eventually die if not removed from the source of the gas
17
PARTICULATES:
Formed as a result of large molecules not burning completely – tiny solid particles are produced (e.g. soot)
•Can become stuck in the lungs causing respiratory problems and even cancer
•Cause global dimming – travel into upper atmosphere and sunlight is reflected back into space
When can filtration be used to separate a mixture?
When you have a mixture of an insoluble solid and a liquid
When you have a mixture of a soluble solid and a liquid
When you have a mixture of miscible liquids
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