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Why sodium catches fire when dropped in ...

Why sodium catches fire when dropped in water ?

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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
  1. Why alkali metals act as strong reducing agents ?

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  2. Name first four elements of group IA of the periodic table ?

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  3. Why sodium catches fire when dropped in water ?

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  4. Give the principle of preparation of sodium hydroxide.

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  5. Give method of preparation of calcium nitrate. Give equation.

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  6. How magnesium sulphate is prepared ?

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  7. What is slag ? Give an example of it.

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  8. What happens when gypsum is heated ?

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  9. Why alkali metals act as strong reducing agents ?

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  10. Name first four elements of group IA of the periodic table ?

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  11. Give one method of preparation and two uses of milk of magnesia.

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  12. What is milk of magnesia ? Give its preparation and uses.

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  13. What is plaster of paris ? Give its preparation and uses.

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  14. Except Beryllium and Magnesium, other elements of Gr. IIA give charact...

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  15. A solution of KOH in water is called :

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  16. Which one of the following is formed on dissolving I2 in aqueous solut...

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  17. A colourless salt gives violet colour to Bunsen flame and also turns m...

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  18. The pair of compounds which cannot exist together in solution is:

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  19. Which element of 1A group is most abundantly found in combined state:

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  20. NO2 is obtained by heating:

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