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Card 6

Front

when calcium carbonate is heated it makes calcium oxide and carbon dioxide, what is the heating process called?

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Card 7

Front

what are two new methods of extracting copper?

Back

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Card 8

Front

how is crude oil sparated into different groups of hydrocarbons?

Back

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Card 9

Front

the shorter the molecule the...

Back

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Card 10

Front

what does sulfur dioxide cause?

Back

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Card 11

Front

where is the nucleus?

Back

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Card 12

Front

are electons positively or negatively charged?

Back

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Card 13

Front

what charge do atoms have?

Back

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Card 14

Front

if electrons are removed from an atom, the atom becomes charged and is known as an...

Back

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Card 15

Front

atoms are represented by...

Back

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