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प्रश्न
Give reason for the following:
Potassium and sodium are not used for reaction with dilute hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
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उत्तर
Potassium and sodium react violently with acid. Hence, potassium and sodium are not used for reaction with dilute hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
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संबंधित प्रश्न
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It displaces hydrogen from dilute HCl.
From the knowledge of activity series, name a metal which shows the following properties:
It forms a base which is insoluble in water.
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Write an equation for the reaction.
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- Heated with dil.HCl
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Conc. H2SO4 reacts with zinc to liberate hydrogen.
Name the following.
A metal which cannot be used for the preparation of hydrogen using dilute acids.
