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प्रश्न
Answer the following question with respect by hydrogen : Identify the components of the electrolyte other than pure alumina and the role played by each.
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उत्तर
Components of electrolyte: Cryolite and fluorspar
Role played by each electrolyte is given below:
- Cryolite lowers the fusion temperature from 2050°C to 950°C and enhances conductivity.
- Fluorspar andcryolite act as a solvent for the electrolytic mixture and increase conductivity.
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संबंधित प्रश्न
Complete the following by selecting the correct option from the choices given:
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ____________. (Fe/Mg/Pb/Al)
An element L consists of molecules.
When L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?
Give equation for the following conversion: Ferric oxide to iron.
Name oxide of one metal which is reduced by (give equation): Electrolytic reduction
Name oxide of one metal which is reduced by (give equation): Reduction with heat alone
Give the chemical name and formula of 'cryolite'
Name a non-metallic element which is a liquid at ordinary temperatures
Answer the following question :
Name the process used for the enrichment of sulphide ore.
Answer the following question with respect by hydrogen :
Explain why powdered coke is sprinkled over than electrolytic mixture.
Give the equation for the reduction of Iron (III) oxide.
