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Chemistry Module 3 > Module 3 > Flashcards

Module 3 Flashcards

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1
Q

What does crude oil and natural gas?

A

Mainly compounds calleed hydrocarbons

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2
Q

What elements do hydrocarbons contain?

A

Carbon and hydrogen

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3
Q

What is crude oil?

A

A mixture of hydrocarbons

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4
Q

What is fractional distillation?

A

A process used to seperate substances with different boiling points

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5
Q

What fractional distillation used for?

A

To seperate crude oil into fractions

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6
Q

What is a fraction?

A

A fraction is a group of hydrocarbons all with boiling points within a specific range

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7
Q

What is a fraction?

A

A fraction has specific uses and names

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8
Q

What do fractions differ in?

A

Viscosity, flammability, boiling points

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9
Q

What is the order of the fractional distillation table?

A 
Refinery gases
Gasoline (Petrol)
Naptha
Kerosene
Diesel oil
Fuel oil
Residue
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10
Q

Use of Refinery Gases

A

Bottled gas

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11
Q

Gasoline (Petrol)

A

Fuel for cars

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12
Q

Use Naphtha

A

Use chemicals

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13
Q

Use of Kerosene

A

Aircraft Fuel

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14
Q

Use of Diesel

A

Fuel for cars, lorries, buses

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15
Q

Use of fuel oil

A

Fuel for ships, power stations

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16
Q

Useresidue

A

Bitumen for roads and roofs

17
Q

Small molecules have

A

Low boiling points
Very volitile
Flows easily
Ignites easily

18
Q

Large molecules

A

High boiling points
Not very volitile
Does not flow easily
Does not ignite easily

19
Q

What is the temperature of the top of the diagram (Refinery gases)

A

Cool (25 Degrees)

20
Q

What is the temperature of the bottom of the diagram

A

Hot (350 Degrees)

Chemistry Module 3 (1 decks)

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