Flashcards in C1 Deck (10)
Loading flashcards...
1
Q
what is air?
A
A mixture of gases,mainly Nitrogen, Oxygen and Argon
2
Q
What are the proportions of dry air?
A
78% Nitrogen
21% Oxygen
1% Argon and other gases
3
Q
what does Oxygen reacting with a metal produce?
A
Solid metal oxides
4
Q
How long ago was the earth’s atmosphere formed?
A
4 billion years ago.
5
Q
What do Volcanoes release?
A
Carbon Dioxide and Water Vapour, Lava and Dust
6
Q
what type of reaction is combustion?
A
Oxidation (Oxygen is added to the substance)
7
Q
What are some examples of pollutants?
A
Carbon Monoxide, Nitrogen Oxides, Sulfur Dioxide
8
Q
What is a correlation?
A
A link between a factor and outcome
9
Q
What do you get when you burn sulfur?
A
Sulfur dioxide
10
Q
What does sulfur dioxide cause?
A
Acid Rain