Chapter 13: The Atmosphere and Environment Flashcards
1
Q
Composition of air
A
Nitrogen: 78%
Oxygen: 21%
Others: 1%
2
Q
Method to separate air
A
Fractional distillation
3
Q
Pollutant: Carbon monoxide (CO)
A
Source: Incomplete combustion of carbon-containing fossil fuels in motor vehicles or factories
Effects:
1. Respiratory difficulties
2. Reacts with haemoglobin in blood resulting in headaches, fatigue and death
4
Q
Pollutant: Oxides of nitrogen (NO, NO2)
A
Source:
1. Internal combustion engines
2. Lightning activities
Effects:
1. Forms acid rain which corrodes limestone buildings
2. Respiratory difficulties
5
Q
Pollutant:
A
