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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.
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उत्तर
Purple colour of potassium permanganate gets discharged.
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संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
How is the following metallic oxide reduced? Write the equation:
Zinc oxide
Write a balanced chemical equation for each of the following reactions :
(i) Reduction of copper (II) oxide by hydrogen
Give equation for the following conversion:Aluminium to sodium aluminate.
Name a non-metallic element which forms acidic and neutral oxides
Name a non-metallic element which has a metallic lustre
Complete the following by selecting the correct option from the choices given :
The diavalent metal whose oxide is reduced to metal by electrolysis of its fused salt is ________
Steel is an alloy of iron and ______.
Give the equations for the reduction of copper oxide.
Give the equations for the reduction of Lead (II) oxide.
