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Hydrogen can be prepared with the help o...

Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with :
a divalent metal.

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ICSE-STUDY OF THE FIRST ELEMENT - HYDROGEN-EXERCISE 6(C)
  1. How did the name 'hydrogen' originate?

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  2. Hydrogen can be prepared with the help of cold water. Give a reaction ...

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  3. Hydrogen can be prepared with the help of cold water. Give a reaction ...

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  4. Which metal is preferred for preparing hydrogen from: cold water? ...

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

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  6. Which metal is preferred for preparing hydrogen from: steam ? Wri...

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  7. Hydrogen may be prepared in the laboratory by the action of a metal wi...

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  8. Hydrogen may be prepared in the laboratory by the action of a metal wi...

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  9. Hydrogen may be prepared in the laboratory by the action of a metal wi...

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  10. Why are the following metals not used in the lab. Preparation of hydro...

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  11. Why are the following metals not used in the lab. Preparation of hydro...

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  12. Why are the following metals not used in the lab. Preparation of hydro...

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  13. Why are the following metals not used in the lab. Preparation of hydro...

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  14. Based on the reactions of water on metals. arrange the following metal...

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  15. Hydrogen is evolved when dilute HCl reacts with magnesium, but nothing...

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  16. Steam can react with a metal and a non-metal to liberate hydrogen. Giv...

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  17. Hydrogen is obtained by displacement from: dilute sulphuric acid ...

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  18. Hydrogen is obtained by displacement from: dilute hydrochloric acid ...

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  19. Why is copper not used in preparation of hydrogen?

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  20. Give reason for the following: Though lead is above hydrogen in the...

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