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Explain an activity to demonstrate decom...

Explain an activity to demonstrate decomposition.

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  • ATOMS AND MOLECULES

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. What is neutralization ? Explain an activity to demonstrate neutraliza...

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  2. Define chemical combination and give an example.

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  3. Explain an activity to demonstrate decomposition.

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  4. What is chemical decomposition ? Explain with an example.

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  5. What will happen when calcium carbonate was heated?

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

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  7. Explain how decomposition reaction takes place.

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  8. Explain the process of electrolysis of water.

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

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

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

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  12. How do you demonstrate displacement reaction?

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

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  14. Explain ‘displacement reaction’ with an activity.

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

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

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

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

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  19. Define double displacement reaction and give an example.

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

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