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What is noticed if the products are not ...

What is noticed if the products are not allowed to escape ?

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If the hydrogen formed (product) is not removed then the iron oxide formed is reduced back to iron as it is a reversible reaction.
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ICSE-STUDY OF THE FIRST ELEMENT - HYDROGEN-TOPIC 1 Hydrogen and its Laboratory Preparation (3 MARK QUESTIONS)
  1. Under what conditions iron reacts with water.

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  2. Give the balanced equation of the reaction.

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  3. What is noticed if the products are not allowed to escape ?

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  4. Hydrogen can be prepared with the metal zinc by using : acid Giv...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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