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Describe the importance of the following...

Describe the importance of the following: limestone.

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ICSE-THE s - BLOCK ELEMENTS-NCERT TEXT-BOOK. EXERCISES (WITH HINTS AND SOLUTIONS)
  1. Draw the structure of (i) BeCl(2) (vapour) (ii) BeCl(2) (solid)

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

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  3. Describe the importance of the following: limestone.

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  4. Describe the importance of the following: (i) limestone (ii) cement (i...

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  5. Describe the importance of the following: (i) limestone (ii) cement (i...

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  6. Why are lithium salts commonly hydrated and those of the other alkali ...

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

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  8. Explain the significance of sodium, potassium, magnesium and calcium i...

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  9. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  10. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  11. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  12. The mobilities of the alkali metal ions in aqueous solution are Li^(+)...

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  13. Comment on each of the following observations: (a) The mobilities of...

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  14. Comment on each of the following observations: (a) The mobilities of...

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  15. State as to why (a) a solution of Na(2)CO(3) is alkaline ? (b) alk...

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  16. State as to why (a) a solution of Na(2)CO(3) is alkaline ? (b) alk...

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  17. State as to why (a) a solution of Na(2)CO(3) is alkaline ? (b) alk...

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  18. Write balanced equations for reactions between (a) Na(2)O(2) and wa...

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  19. Write balanced equations for reactions between (a) Na(2)O(2) and wa...

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  20. Write balanced equations for reactions between (a) Na(2)O(2) and wa...

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