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प्रश्न
Pick the odd member from the list, giving reasons:
पर्याय
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.
Give a balanced equation for the following conversion:
Ammonia to nitrogen using an acidic gas.
Complete the following equation.
8NH3 +3Cl2 →
Write the equation for the action of heat on ammonium chloride.
State whether the reaction is an example of thermal decomposition or thermal dissociation.
Write a balanced chemical equation for each of the following reactions :
Ammonium hydroxide is added to ferrous sulphate solution.
Name two fertilizers manufactured from ammonia.
Give two examples of suitable alternatives of CFCs which can be used as refrigerant and are non-ozone deflecting?
Give two reasons to show that the solution of ammonia in water contains hydroxylions.
Write sqauential observation for effect of heat on Lead carbonate.
