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Card 6

Front

What can the patterns of the normal or reversed polarised rocks be used for?

Back

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Card 7

Front

List 3 processes by which minerals are formed

Back

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Card 8

Front

What is food preservation?

Back

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Card 9

Front

How does salt act a food preservative?

Back

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Card 10

Front

What is the health issues involved with the use of salt?

Back

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Card 11

Front

Name 3 products of brine electrolysis

Back

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Card 12

Front

Give 3 uses of chlorine

Back

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Card 13

Front

How is bleach made?

Back

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Card 14

Front

Name 2 toxic chemicals that can be used in large scale brine electrolysis

Back

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Card 15

Front

Why is chlorine added to water supplies?

Back

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