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ICSE Class 10 Chemistry 2022 Paper

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SECTION - I
Choose the correct answers to the questions from the given options.
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Question : 10 of 55
Marks: +1, -0
Substance which helps to lower the fusion point of the mixture in Hall Heroult Process :
Solution:  
(c) Fluorspar
Explanation :
Fluorspar with Cryolite acts as a solvent, increases its conductivity of pure alumina and lowers the fusion temperature.
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