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प्रश्न
Pick the odd member from the list, giving reasons:
विकल्प
Copper oxide
Aluminium oxide
Sodium oxide
Magnesium oxide
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उत्तर
Copper oxide
Reason:
Copper oxide, because CuO is less reactive, can be reduced by C, CO or hydrogen, whereas Al2O3, Na2O, MgO are reduced by electrolysis.
संबंधित प्रश्न
Correct the following:
A reddish brown precipitate is obtained when ammonium hydroxide is added to ferrous sulphate.
Distinguish between the following (using ammonia solution):
Ferric salt and ferrous salt
Give a balanced equation for the following conversion:
Ammonia to nitrogen trichloride.
Name an amphoteric oxide reduced by the basic gas.
Name a white salt produced by an acid gas and a basic gas.
Write the equation for the action of heat on ammonium nitrate.
State whether the reaction is an example of thermal decomposition or thermal dissociation.
What are chlorofluorocarbons, why they become popular as substitute of ammonia as refrigerant?
Give a balanced equation for the reduction of hot copper (II) oxide to copper using ammonia gas.
Ammonia is manufactured by Haber Process.
What is the function of finely divided iron?
