C14 The Earth's Resources Flashcards by Gabriel Selaj

Q

Formula saltpetre

A

NaNO3

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Q

Metal of saltpetre

A

Sodium

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Q

Formula Tenorite

A

Cu2O

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Q

Metal Tenorite

A

Copper

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Q

Formula Casseterite

A

SnO2

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Q

Metal casseterite

A

Tin

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Q

Reduction

A

Removal of oxygen from a compound

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Q

Oxidation

A

If element or compound gains oxygen in a reaction

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Q

How can spme more reactive metals be removed from their ores

A

By heating with carbon or carbon monoxide

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Q

Examples of metals found native

A

Gold and platinum

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Q

How to extract copper

A

Heating in air

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Q

How to extract sodium

A

Electrolysis

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Q

How to extract tin

A

Heating with carbon

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