PPE Facts To Learn Flashcards
What’s a hydrocarbon?
Molecules of only hydrogen and carbon atoms
What’s the test for Alkene?
Add orange bromine water and will goes colourless.
What’s the formation of crude oil?
- Plankton/ microscopic organisms died
- Buried by mud
- Compressed
- Over millions of years ( into oil)
Whats SO2 pollutant?
Sulphur impurities contained in fuel
Sulphur reacts with oxygen when fuel burnt to make SO2.
Whats CO pollutant?
Fuels contain Carbon
Carbon forms CO during incomplete combustion of fuels
How to measure rate of reaction?
Measure rate by measuring quantities of product eg. Volume of gas over time eg. in 1 minute
Why is distillation expensive?
Because it takes a lot of energy to boil H2O.
What’s a method of desalination?
Reverse osmosis
Across membrane
What’s photo mining?
Using plants to extract metals by growing them on contaminated soil.
1.Harvest the plant
2. Burn them to make metal oxides
3. Into ashes then perform to make metal