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For laboratory preparation of hydrogen, ...

For laboratory preparation of hydrogen, give the following:
materials used

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For laboratory preparation of hydrogen, give the following: chemical equation

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For laboratory preparation of hydrogen, give the following: method of collection

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With respect to the laboratory preparation of hydrochloric acid answer the following question : Name the substance A and give its use .

Give balanced equations to show the preparation of hydrogen by the following: cold water.

Give balanced equations to show the preparation of hydrogen by the following: nitric acid

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In the laboratory preparation of hydrogen, pure zinc is not used because

ICSE-STUDY OF THE FIRST ELEMENT - HYDROGEN-EXERCISE 6(B)
  1. Hydrogen can be prepared with the metal zinc by using : alkali G...

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

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  3. For laboratory preparation of hydrogen, give the following: materi...

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  4. For laboratory preparation of hydrogen, give the following: method ...

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  5. For laboratory preparation of hydrogen, give the following: chemica...

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  6. For laboratory preparation of hydrogen, give the following: fully-l...

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  7. Mention any two impurities present in hydrogen prepared in laboratory.

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  8. How are these impurities removed ?

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  9. Which test should be made before collecting hydrogen in a gas jar?

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  10. Why is nitric acid not used in the preparation of hydrogen?

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  11. Why is hot concentrated sulphuric acid not used in the preparation of ...

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

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

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  14. Write balanced equations for the following reactions. Steam is passe...

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  15. Write equations for the reactions of (i) iron with steam (ii) calc...

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

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

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

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  19. Thin sprips of magnesium, copper and iron are taken. Write down what...

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  20. Thin sprips of magnesium, copper and iron are taken. Arrange these m...

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