C2 Material Choices-2 Flashcards

1
Q

The materials we use to make stuff are

3

A

Metals
Ceramics
Polymers

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2
Q

We can get materials from living things, like…

A

Cotton, Paper, Silk and Wool

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3
Q

Non-natural materials are actually called

A

Synthetic Materials

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4
Q

We get raw materials from

A

The earth’s crust, therefore they are synthetic

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5
Q

If you have 12 atoms in the products of a chemical reaction, you have to have…

A

12 producs

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6
Q

What things are made from oil

A

Fuel, lubricants, nylon,bitumen

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7
Q

How is crude oil refined

A

It goes through a process called distillation, in which hydrocarbons are separated into fractions of different melting points

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8
Q

Where does crude oil go

A

After being refined most of the oil is used in fuel, and some is used in chemical synthesis

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9
Q

What is the chain leangth of crude oil

A

It is many different lenghts

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10
Q

What is crude oil

A

It is just the oil mined from undergroud, and it only consists of hydrogen and carbon

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