Pollution Flashcards
1
Q
The two stages of reacting ethene with water to create ethanol?
A
1) Ethene + sulphuric acid -> ethyl hydrogen sulfate
2) Ethyl hydrogen sulfate + water -> ethanol + sulphuric acid
2
Q
Which pollutants contribute to smog?
A
-Unburnt hydrocarbons and nitrogen oxides
3
Q
What do these substances do in the presence of sunlight?
A
They form ground level ozone
4
Q
What are particulates?
A
Tiny particles of liquid or solids suspended in the air
5
Q
How are particulates removed?
A
Wet scrubbers
6
Q
How is sulphur dioxide removed from power stations?
A
Calcium oxide
7
Q
Conditions to make ethanol by steam hydration?
A
- Ethene and steam
- 300degreees
- 60atm
- Phosphoric acid catalyst
