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Flashcards in C1 Deck (10)
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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