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Write about the important uses of calciu...

Write about the important uses of calcium

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As a deoxidizer, desulfurizer or decabonizer for various ferrous and non-ferrous alloys.
(iii) In making of cements and mortars to be used in construction.
(iv) As a getter in vacuum tubes.
(v) In dehydrating oils
(vi) In fertilizers, concrete and Plaster of Paris.
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FULL MARKS-ALKALI AND ALKALINE EARTH METALS-Additional Questions Solved
  1. MgCl(2) and CaCl(2) are easily hydrated, while NaCl and KCl are not hy...

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  2. What are the distinctive behaviour of beryllium?

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  3. Write about the important uses of calcium

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  4. Mention about the uses of barium.

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  5. Be(OH)(2)is amphoteric in nature. Prove it.

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  6. Write a note about the structure of beryllium chloride

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  7. Draw the structure of BeCl(2) in different physical states.

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  8. Write about the sulphates of alkaline earth metals.

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  9. What are the common physical and chemical features of alkali metals?

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  10. Compare the alkali metals and alkaline earth metals with respect to ...

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  11. Why is Li(2)Co(3) decomposed at a lower temperature whereas Na(2)CO(3)...

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  12. What happens when (i) Sodium metal is dropped in water? (ii) So...

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  13. Write balanced equations for reactions between(i) Na(2)O(2) and water ...

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  14. How would you explain the following observations? (i) BeO is almost...

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  15. Why Cs is considered as the most electropositive element? Lithium c...

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  16. Give the important uses of the following compounds. i) NaHCO(3) ...

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  17. The hydroxides and carbonates of sodium and potassium are easily solub...

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  18. Why is LiF almost insoluble in water, whereas LiCl soluble not only in...

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  19. Which out of the following can be used to store an alkali metal? ...

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  20. Explain in what respects lithium is different from other metals of the...

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