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GCSE Chemistry > Crude Oil > Flashcards

Crude Oil Flashcards

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0
Q

Is crude oil a compound or mixture

A

Mixture- contains lots of different hydrocarbons

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1
Q

What is a hydrocarbon

A

A compound containing only hydrogen and carbon

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2
Q

Is crude oil renewable

A

No. Can only be used once then gone

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3
Q

How do you separate crude oil into its fractions

A

Fractional distillation

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4
Q

Name the parts of crude oil.

A 
Methane.       Many
Ethane.          English 
Propane.        Pedophiles 
Butane.           Bring
Pentane.         People
Hexane.         Home
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5
Q

Heat

A

Evaporate

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6
Q

Separate

A

Different boiling points

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7
Q

Cool

A

Condense

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8
Q

What two ‘families’ are hydrocarbons split into

A

Alkanes

Alkenes

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9
Q

Formula for Alkanes

A

CnH2n+2

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10
Q

Formula for Alkenes

A

CnH2n

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11
Q

What are the properties of long chain hydrocarbons

A 
Dark
Viscous
Un volatile
High mp
Hard to light, burn quickly
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12
Q

What are the properties of short chain hydrocarbons

A 
Low melting point
Runny
Light in colour
Volatile 
Easy to light
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13
Q

What is cracking

A

Splitting up of long chain hydrocarbons

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14
Q

What happens to a long chain hydrocarbon during cracking

A

It is heated- THERMAL DECOMPOSITION

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15
Q

What are the products of cracking

A

Smaller Alkane and an Alkene

16
Q

What is polymerisation

A

Joining together many Alkenes (monomer) into large molecules (polymers)

17
Q

Name some uses of polymers

A

Plastic

Polystyrene foam

18
Q

What is a saturated hydrocarbon

A

A mixture of ONLY hydrogen and carbon with ONLY SINGLE BONDS

GCSE Chemistry (16 decks)

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