More cards in this set

Card 6

Front

What did ancient seas leave behind when they evaporated millions of years ago?

Back

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Card 7

Front

Give three uses of salt.

Back

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Card 8

Front

Explain how salt is extracted from underground deposits in solution mining.

Back

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Card 9

Front

How does adding salt to meat help preserve it?

Back

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Card 10

Front

Give two uses of alkalis.

Back

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Card 11

Front

Complete the following equations: ACID + ALKALI = ACID + CARBONATE =

Back

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Card 12

Front

Complete this symbol equation: ZnCO3 + H2SO4 --->

Back

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Card 13

Front

Give two uses of chlorine.

Back

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Card 14

Front

What environmental problems can be caused by a pesticide that does not break down easily?

Back

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Card 15

Front

Give two benefits of recycling.

Back

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