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What happens when dil. Hydrochloric acid...

What happens when dil. Hydrochloric acid is added to iron filing ? Choose the correct answer.

A

Hydrogen gas and iron chloride are produced

B

Chlorine gas and iron hydroxide are produced

C

No reaction takes place

D

Iron salt and water are produced

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. Imagine what would happens if we do not standard symbols for elements....

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  2. Fe(2)O(3)+2AlrarrAl(2)O(3)+2Fe The above reaction is an example of :

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  3. What happens when dil. Hydrochloric acid is added to iron filing ? Cho...

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  4. 2PbO((s))+C((s))rarr2Pb((s))+CO(2(g)) Which of the following stateme...

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  5. The chemical equation BaCl(2)+Na(2)SO(4)rarrBaSO(4)+2NaCl represents...

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  6. The reaction of formation hydrogen chloride from hydrogen and chlorine...

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  7. What is neutralization ? Explain an activity to demonstrate neutraliza...

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  8. Define chemical combination and give an example.

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  9. Explain an activity to demonstrate decomposition.

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

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  11. What will happen when calcium carbonate was heated?

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

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  13. Explain how decomposition reaction takes place.

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  14. Explain the process of electrolysis of water.

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

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

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

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  18. How do you demonstrate displacement reaction?

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

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  20. Explain ‘displacement reaction’ with an activity.

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