Dissolving Alumina in Cryolite reduces it's melting point to ____________ degree celsius.

1000

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2000

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3000

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4000

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Solution

The correct option is A 1000
The melting point of alumina is around 2000 degree celsius which is too high. To solve this, the alumina is dissolved in a material called cryolite. The resulting mixture’s melting point is 1000 degree celsius.

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Cryolite is added to alumina to reduce its:

A l

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