Chemistry Test

Midterm Chemistry Test- please don't screw up

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What is crude oil?
Crude oil is a mixture of different compounds which boil at different temps.
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What can distillation be used for?
Separating a mixture of liqquids
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What is the name of the liquids produced by simple distillation
Fractions
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What are alkanes?
Alkanes are saturated hydrocarbons
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The formula to work out how many hydrogens in an alkane is...?
the amount of carbons x2 +2, so 2n+2
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How are crude oils separated at refineries?
The are separated via fractional distillation
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How does Fractional Distillation work?
The boiling point of a hydrocarbon depends on the size of its molecule.
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Complete this phrase: the larger the hydrocarbon molecule...?
the higher the boiling point
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How is crude oil actually separated?
1. Crude oil is vaporised and fed into fractionating column
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Other cards in this set

Card 2

Front

Separating a mixture of liqquids

Back

What can distillation be used for?

Card 3

Front

Fractions

Back

Preview of the back of card 3

Card 4

Front

Alkanes are saturated hydrocarbons

Back

Preview of the back of card 4

Card 5

Front

the amount of carbons x2 +2, so 2n+2

Back

Preview of the back of card 5
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