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Describe two important uses of each of the following: (i) caustic soda (ii) sodium cabonate (iii) quicklime

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ICSE-THE s - BLOCK ELEMENTS-NCERT TEXT-BOOK. EXERCISES (WITH HINTS AND SOLUTIONS)
  1. Calcium nitrate decomposes on heating according to the equation : 2C...

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  2. Describe two important uses of each of the following: (i) caustic soda...

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  3. Describe two important uses of each of the following: (i) caustic soda...

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  4. Describe two important uses of each of the following: (i) caustic soda...

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  5. Draw the structure of (i) BeCl(2) (vapour) (ii) BeCl(2) (solid)

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  6. Draw the structure of (i) BeCl(2) (vapour) (ii) BeCl(2) (solid)

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

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  8. Describe the importance of the following: limestone.

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

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

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

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

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

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

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

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

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

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

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

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

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