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Refined bauxite is dissolved in molten cryolite at a temperature slightly below ____________

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Refined bauxite is dissolved in molten cryolite at a temperature slightly below ____________

(a) 0^0C

(b) 100^0C

(c) 2000^0C

(d) 1000^0C

I got this question in an interview for internship.

This key question is from Faraday’s Laws of Electrolysis in chapter Corrosion, Electrolysis, Fuel Cells and Batteries of Engineering Chemistry II

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Right answer is (d) 1000^0C

To elaborate: Refined bauxite is dissolved in molten cryolite at a temperature slightly below 1000^0C. Cryolite is used as an insecticide and a pesticide. It is also used to give fireworks a yellow color.

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