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प्रश्न
Answer the following question :
Name the process used for the enrichment of sulphide ore.
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उत्तर
Froth flotation process is used for the enrichment of sulphide ore.
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संबंधित प्रश्न
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
Give reason for the following:
Carbon anodes are used in the electrolytic extraction of aluminium.
Give equation for the following conversion:Aluminium to sodium aluminate.
Name oxide of one metal which is reduced by (give equation): Electrolytic reduction
Name a non-metallic element which forms acidic and neutral oxides
Name a non-metallic element which is a conductor of electricity.
Answer the following question with respect by hydrogen :
Explain why powdered coke is sprinkled over than electrolytic mixture.
Steel is an alloy of iron and ______.
Write a balanced equation for the reduction of copper (ll) oxide by hydrogen.
Give the equations for the reduction of Lead (II) oxide.
