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Card 6

Front

In a good experimental design one factor is varied and all of the others are:

Back

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Card 7

Front

Most of the molecules in crude oil are:

Back

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Card 8

Front

Most of the fractions from crude oil are used as:

Back

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Card 9

Front

Joining small molecules to make long chains is called:

Back

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Card 10

Front

Why is uPVC a better material for window frames than wood?

Back

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Card 11

Front

What is needed to break the forces between particles in a solid?

Back

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Card 12

Front

A solid has a high melting point if the forces between its particles are:

Back

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Card 13

Front

Increasing the chain length of a polymer makes it:

Back

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Card 14

Front

To make a polymer softer and more flexible we can add:

Back

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Card 15

Front

Cross linking the chains makes a polymer:

Back

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