OCR 21st Century Science: Chemistry 1

For those who are doing OCR.

?
What percentage of Argon is in our air?
1%
1 of 6
What causes acid rain?
Sulfur dioxide
2 of 6
Scientists use fossils and carbon dating to do what?
Helps them find out the age of different rocks
3 of 6
What is the equation for complete combustion?
Methane + oxygen - carbon dioxide + water
4 of 6
MOT test is a bad way of cleaning up pollution?
True
5 of 6
Compounds of hydrogen and carbon are called?
hydrocarbons
6 of 6

Other cards in this set

Card 2

Front

What causes acid rain?

Back

Sulfur dioxide

Card 3

Front

Scientists use fossils and carbon dating to do what?

Back

Preview of the front of card 3

Card 4

Front

What is the equation for complete combustion?

Back

Preview of the front of card 4

Card 5

Front

MOT test is a bad way of cleaning up pollution?

Back

Preview of the front of card 5
View more cards

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