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Name two alkalies that can displace hydr...

Name two alkalies that can displace hydrogen. Give balanced equations for the same. Why are the metals you have used considered to have unique nature.

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The two alkalies that can displace hydrogen are sodium hydroxide (NaOH) and Potassium (KOH).
`Zn+2NaOH to underset"Sodium zincate"(Na_2ZnO_2)+H_2`
`Pb+2KOH to underset"Potassium plumbite"(K_2PbO_2 +H_2)`
Metals such as zinc, lead and aluminium have a unique nature because they react with acids and also with hot concentrated alkalis to form hydrogen and a soluble salt.
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ICSE-STUDY OF THE FIRST ELEMENT - HYDROGEN-TOPIC 1 Hydrogen and its Laboratory Preparation (3 MARK QUESTIONS)
  1. Hydrogen can be prepared with the metal zinc by using : acid Giv...

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  2. Hydrogen can be prepared with the metal zinc by using : alkali G...

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  3. Hydrogen can be prepared with the metal zinc by using : water Gi...

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  4. Hydrogen is prepared by Bosch process ? Write the balanced equations...

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  5. Hydrogen is manufactured by Bosch Process'. How can you obtain hydr...

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  6. A small piece of calcium metal is put into a small trough containing w...

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  7. A small piece of calcium metal is put into a small trough containing w...

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  8. A small piece of calcium metal is put into a small trough containing w...

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  9. Give balanced equations to show the preparation of hydrogen by the fol...

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  10. Which metal is preferred for preparing hydrogen from: hot water ? ...

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  11. Give balanced equations to show the preparation of hydrogen by the fol...

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  12. Name two alkalies that can displace hydrogen. Give balanced equations ...

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  13. (i)Name the industrial method for the production of hydrogen gas. (...

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  14. Write the balanced chemical equation for the production of water gas.

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  15. Write a balanced chemical equation Action of hot water on heated mag...

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  16. Write balanced chemical equation for each of the Action of dilute h...

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  17. Write a balanced chemical equation Action of sodium hydroxide soluti...

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  18. Balance the equations : P+O2 to P2O5

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  19. Balance the equations : C2H4 + O2 to CO2 + H2O

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  20. Balance the equations : P2O5+H2O to H3PO4

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