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प्रश्न
Pick the odd member from the list giving reasons:
Copper oxide, aluminium oxide, sodium oxide, magnesium oxide.
उत्तर
Copper oxide
Reason:
Copper oxide, because \[\ce{CuO}\] is less reactive can be reduced by \[\ce{C}\], \[\ce{CO}\] or by hydrogen whereas \[\ce{Al2O3}\], \[\ce{Na2O}\], \[\ce{MgO}\] are reduced by electrolysis.
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संबंधित प्रश्न
Pick the odd member from the list giving reasons:
Ammonia, sulphur dioxide, hydrogen chloride, carbon dioxide.
Copy and complete the following equation.
NH3 + CO2 →
what important fertilizer is prepared from above equation?
Correct the following:
A reddish brown precipitate is obtained when ammonium hydroxide is added to ferrous sulphate.
Correct the following:
Ammonium salts, on heating, decompose to give ammonia.
Name an acidic gas which reacts with a basic gas liberating a neutral gas.
State the advantages of using ammonia as refrigerant?
Explain the following:
Ammonia cannot be collected over water.
Choose the correct word or phrase from the bracket to complete the following sentence.
Heating ammonium chloride with sodium hydroxide produces ______
Give a balanced equation for the reduction of hot copper (II) oxide to copper using ammonia gas.
