Advertisements
Advertisements
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.
Advertisements
उत्तर
Purple colour of potassium permanganate gets discharged.
APPEARS IN
संबंधित प्रश्न
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
Give appropriate scientific reasons for Zinc oxide can be reduced to zinc metal by using
carbon, but aluminium oxide cannot be reduced by a reducing agent
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?
How is the following metallic oxide reduced? Write the equation:
Zinc oxide
Give equation for the following conversion: Ferric oxide to iron.
Name oxide of one metal which is reduced by (give equation): Electrolytic reduction
Write balanced equation for the following reaction:
Reduction of iron (III) oxide by carbon monoxide.
Name the following :
A metal oxide that can be reduced by hydrogen
Name two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen.
Write a balanced equation for the reduction of copper (ll) oxide by hydrogen.
