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Card 6

Front

If calcium carbonate is heated, carbon dioxide and what else are formed?

Back

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Card 7

Front

If water is added to calcium oxide, what is formed?

Back

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Card 8

Front

Name the process that uses electrical energy to decompose compounds

Back

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Card 9

Front

To test for chlorine, dip damp blue litmus paper into the substance. Chlorine will turn the paper red (becasue it is acidic) then what colour?

Back

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Card 10

Front

More reactive metals must be extracted from their ores by what process?

Back

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Card 11

Front

Less reactive metals can be extracted from their ores by being heated with what other element?

Back

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Card 12

Front

What word describes a gain of oxygen?

Back

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Card 13

Front

What word describes a loss of oxygen

Back

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Card 14

Front

Name a property of steel that makes it useful for building bridges

Back

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Card 15

Front

The low density of aluminium makes it useful for building what?

Back

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