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ores and mettalurgy > aluminium > Flashcards

aluminium Flashcards

1
Q

pure al2o3 is mixed w

A

Na3AlF6 or CaF2

which lowers the melting point of the mix and brings conductivity

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2
Q

cathode
anode

A

Steel vessel with lining of carbon acts as cathode
graphite
anode is used.

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3
Q

Hall-Heroult process.

A

2Al2O3 + 3C → 4Al + 3CO2

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4
Q

Bauxite

A

Al2O3.2H2O

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5
Q

corrundum

A

Al2O3

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6
Q
A
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ores and mettalurgy (7 decks)

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