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प्रश्न
Write the observation for the following:
A paper dipped in potassium permanganate solution is put on the mouth of a test tube containing sulphur dioxide gas.
उत्तर
Purple colour of potassium permanganate gets discharged.
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संबंधित प्रश्न
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
How is the following metallic oxide reduced? Write the equation:
Zinc oxide
Explain with reason:
In the electrolytic reduction of alumina, the graphite anode is gradually consumed.
Give equation for the following conversion: Ferric oxide to iron.
Give equation for the following conversion:Aluminium to sodium aluminate.
Name oxide of one metal which is reduced by (give equation): Reduction with carbon
Name a non-metallic element which is a conductor of electricity.
If fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?
Name the following :
A metal oxide that can be reduced by hydrogen
Write a balanced equation for the reduction of copper (ll) oxide by hydrogen.
