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Chemistry > Using Electrolysis To Extract Metals > Flashcards

Using Electrolysis To Extract Metals Flashcards

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1
Q

Property of aluminium?

A

Light and strong

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2
Q

Aluminium uses

A

Aeroplanes, drink cans

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3
Q

What is allumium ore?

A

Bauxite

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4
Q

What is Bauxite purified into?

A

Allumium oxide

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5
Q

What is the electrodes material and why?

A

Carbon, unreactive

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6
Q

What is the electrolyte?

A

Al2O3 + cryolite, a Molten or aqueous ionic compound, which is broken down during electrolysis

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7
Q

Why is cryolite added?

A

It has a lower melting point reducing the temperature needed for allumium to react

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8
Q

Why is carbon dioxide formed?

A

At extremely high temperatures, the oxygen produced during electrolysis reacts with the carbon anode to form carbon dioxide

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Chemistry (31 decks)

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