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Card 6

Front

What does crude oil contain?

Back

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Card 7

Front

An alkene is saturated?

Back

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Card 8

Front

How many hydrogen atoms does butane have?

Back

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Card 9

Front

Lighter fractions (from being distilled) have a higher boiling point?

Back

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Card 10

Front

How are hydrocarbons broken down by the process of cracking?

Back

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Card 11

Front

Why do we harden oils?

Back

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Card 12

Front

What does hydrophilic mean? (to do with emulsions)

Back

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Card 13

Front

What stopped scientists in 1920 believing Wegener's theory of continental drift?

Back

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Card 14

Front

What caused a rise in sulphur dioxide levels in the early atmosphere?

Back

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Card 15

Front

If we extract nitrogen from the air, what is a use of it?

Back

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