GCSE science for the 21st century: Topic C1 Air Quality

Which gas is nitrogen?
1. -
2. -
3. -
4. -
Which gas is argon?
1. -
2. -
3. -
4. -
What is the proportion of oxygen in the air?
1. 18%
2. 20%
3. 21%
4. 78%
Which molecule is carbon dioxide?
1. -
2. -
3. -
4. -
5. -
6. -
Which molecule is methane?
1. -
2. -
3. -
4. -
5. -
6. -
Which molecule is nitrogen monoxide?
1. -
2. -
3. -
4. -
5. -
6. -
Which is the correct formula for nitrogen dioxide?
1. -
2. -
3. -
Which of these gases causes respiratory problems?
1. -
2. -
3. -
4. -
What is the effect of CO?
1. Causes acid rain
2. Causes allergic reactions in some people
3. Reduces your blood’s ability to transport oxygen
Which student did not obtain an accurate reading?
1. -
2. -
3. -
4. -
5. -
Which of these is a secondary pollutant?
1. -
2. -
3. -
An allergy is…
(choose the best answer)
1. When a toxic substance affects your body
2. When an irritant affects your body
3. When your body over-reacts to a stimulus
Catalytic converters are part of car exhaust systems.
In the catalytic converter,
Carbon monoxide + oxygen --> ???
and
Nitrogen monoxide + carbon monoxide --> nitrogen + ???
1. Nitrogen monoxide, carbon dioxide
2. Nitrogen dioxide, carbon dioxide
3. Carbon dioxide, carbon dioxide