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Explain how decomposition reaction takes...

Explain how decomposition reaction takes place.

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. What will happen when calcium carbonate was heated?

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  2. Show that lead nitrate on heating produces nitrogen dioxide.

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  3. Explain how decomposition reaction takes place.

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  4. Explain the process of electrolysis of water.

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  5. How do you separate O2 and H2 from water in your chemical laboratory?

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  6. What is a photochemical reaction? Give one example.

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  7. What changes do you observe when silver bromide exposed to sunlight?

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  8. How do you demonstrate displacement reaction?

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  9. The gas liberated when zinc reacts with dilute HCI is

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  10. Explain ‘displacement reaction’ with an activity.

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  11. How do metal displaces hydrogen from acids? Explain with an activity.

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  12. Describe the reaction of iron with Copper sulphate through an activity...

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  13. How do you prove that iron is more reactive than copper?

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  14. Write an activity to each of the following chemical reaction. B) Che...

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  15. Define double displacement reaction and give an example.

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  16. Take a pinch of lead nitrate and dissolve in 5.0 ml of distilled water...

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  17. Take a pinch of lead nitrate and dissolve in 5.0 ml of distilled water...

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  18. Take a pinch of lead nitrate and dissolve in 5.0 ml of distilled water...

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  19. Prove Oxidation and Reduction reactions with an experiment.

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  20. Explain redox reactions with an experiment.

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