Extracting metals Flashcards by Heidi England

Q

Metals are usually mind is what which are rocks containing metal compounds?

A

Metals are use reminders of which, which are rocks containing metal compounds

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Q

A metal can be extracted from its ore by reduction with carbon providing that is —— that metal in the reactivity series?

A

A metal can be extracted from its ore by reduction with carbon providing that is above that metal in the reactivity series

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Q

When an ore is reduced what is taken away?

A

Oxygen is taken away leaving metal behind

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Q

Metals that are more reactive than carbon need to be extracted using what?

A

Electricity

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Q

Electrical energy is used to split the ore into its elements. Electrolysis is an expensive process as it is a lot of what as the ore must be molten?

A

Electricity

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