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Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Dissolving Alumina in Cryolite reduces it's melting point to ____________ degree celsius.

A
1000
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B
2000
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C
3000
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D
4000
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Solution

The correct option is A 1000
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 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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