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Card 6

Front

WHAT IS MORTAR ?

Back

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Card 7

Front

WHAT IS CONCRETE ?

Back

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Card 8

Front

WHAT IS AN ORE ?

Back

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Card 9

Front

WHERE ARE UNREACTIVE METALS FOUND ?

Back

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Card 10

Front

HOW IS COPPER EXTRACTED ?

Back

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Card 11

Front

HOW ELSE CAN COPPER BE EXTRACTED ?

Back

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Card 12

Front

WHERE ARE TRANSITION METALS FOUND ?

Back

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Card 13

Front

WHEN HYDROCARBONS BURN WHAT IS PRODUCED ?

Back

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Card 14

Front

WHAT ELSE CAN BE MADE ?

Back

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Card 15

Front

WHAT DOES SULPHUR DIOXIDE MAKE ?

Back

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