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What is the use of keeping food in air t...

What is the use of keeping food in air tight containers?

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  • ATOMS AND MOLECULES

    VGS PUBLICATION-BRILLIANT|Exercise OBJECTIVE TYPE QUESTION|1 Videos

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. Why do we apply paint of iron articles ?

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  2. How can we prevent rusting of Iron?

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  3. What is the use of keeping food in air tight containers?

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  4. 15.9 of copper sulphate and 10.6 g of sodium carbonate react together ...

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  5. Carbon dioxide is added to 112 g of calcium oxide. The product formed ...

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  6. Imagine what would happens if we do not standard symbols for elements....

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

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

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  9. 2PbO((s))+C((s))rarr2Pb((s))+CO(2(g)) Which of the following stateme...

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

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

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

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  13. Define chemical combination and give an example.

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  14. Explain an activity to demonstrate decomposition.

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

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  16. What will happen when calcium carbonate was heated?

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

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  18. Explain how decomposition reaction takes place.

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  19. Explain the process of electrolysis of water.

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

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