2c. Gases in the atmosphere Flashcards
1
Q
Air is composed by ?% of Nitrogen, how much?
A
78.1%
2
Q
Air is composed of ?% of Oxygen, how much?
A
21.0%
3
Q
Air is composed of ?% of Argon, how much?
A
0.9%
4
Q
Air is composed by ?% of Carbon Dioxide, how much?
A
0.04%
5
Q
Magnesium + Oxygen
A
Magnesium + Oxygen -> Magnesium Oxide
6
Q
Hydrogen + Oxygen
A
Hydrogen + Oxygen -> Water
7
Q
Sulfur + Oxygen
A
Sulfur + Oxygen -> Sulfur Dioxide
8
Q
On heating metal carbonates decompose into
A
Metal oxides and carbon dioxide.
9
Q
Why does CO2 cause climate change
A
It abosorbs infra-red radation, therefore warms the planet
