Science - The Atmosphere Flashcards
0
Q
Whoch of these are elements and which are compounds?
A
Nitrogen and oxygen are elements.
CO2, water vapour and argon are compounds.
1
Q
Name the components of air.
A
78% Nitrogen
21% Oxygen
0.03% CO2
1% Water vapour + argon
2
Q
What is nitrogen used for?
A
Fertilisers and packing crisps
3
Q
What is oxygen used for?
A
Burning things(combustion) and breathing(hospitals)
4
Q
What is carbon dioxide used for?
A
Fire extinguishers, fizzy drinks, photosyntheses, dry ice stage affects.
5
Q
What is argon used for?
A
Lightbulbs
