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Assign reasons for the following (i) a...

Assign reasons for the following
(i) alkali metals impart characteristic colour to flame
(ii) Alkali metals are strong reducing agents.
(iii) An aqueous solution of `Na_(2)CO_(3)` is basic in nature.

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DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-SAQ
  1. Sodium metal can be used to dry diethyl ether and not ethyl alcohol. W...

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  2. Sodium is perpared by the eletrclysis of molten NaCl but not by the...

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  3. Give two important uses of washing soda and baking soda.

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  4. Assign reasons for the following (i) alkali metals impart characteri...

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  5. Explain the trends in the solubility of carbonates , sulphates and hyd...

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  6. Delta iH(1) value of Mg more than that of Na while its Delta iH(2) v...

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  7. Discuss the structure of beryllium chloride in different states.

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  8. What is diagonal relationship? Why does Li resemble with Mg?

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  9. How will you prepare anhydrous magnesium chloride from sea water ?

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  10. How is gypsum converted into plaster of paris ? Why is plaster of pa...

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  11. Describe with the help of chemical equations what happens when : (i)...

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  12. write the important uses of Gypsum and plaster of paris.

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  13. Beryllium and magnesium do not give colour to flame whereas other alka...

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  14. state any one reason for alkaline earth metals ions in general to have...

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  15. What is the structure of BeCI(2) molecule in gaseous and solid state?

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  16. What is the difference between quick lime, slaked lime, milk of lime a...

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  17. What is diagonal relationship? Why does Li resemble with Mg?

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  18. Beryllium differs from rest of the memebers of group-2 in many charact...

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  19. Describe the importance of the following: (a) limestone, (b) cement an...

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  20. Complete the following : (i) Ca + H(2)O (ii) Ca(OH)(2) + Cl(2...

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