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Describe the importance of the following...

Describe the importance of the following (i) Lime stone (ii) Cement (iii) Plaster of paris.

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V PUBLICATION-THE s- BLOCK ELEMENTS-QUESTION BANK
  1. Draw the structure of (i) BeCl2 (vapour) (ii) BeCl2(solid).

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  2. The s-block of periodic table constitutes alkali metals and alkaline e...

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  3. Describe the importance of the following (i) Lime stone (ii) Cement (i...

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  4. Why are lithium salts commonly hydrated and those of other alkail meta...

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  5. Why is LiF almost insoluble in water whereas 'LiCl' is soluble not onl...

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  6. Monovalent Na^+, K^+ ions and divalent Ca^(2+) , Mg^(2+) ions are fou...

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  7. What happens when (i) sodium metal is dropped in water (ii) sodium met...

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  8. Comment on the following observation The mobility of alkali metal ions...

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  9. why alkali metals are prepared by electrolysis of their fused halides

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  10. Write balanced equations for reactions between (a)Na2 O2 and water (...

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  11. How would you explain?BaO is soluble but BaSO4 is insoluble in water.

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  12. Which of the alkali metals is having least melting point?

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  13. Which of the following gives hydrated salts.Li, Na,K,or Cs?

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  14. which of the most thermally stable carbonate among MgCO3,CaCO3,SrCO3an...

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  15. Certain aspects regarding compounds of sodium are given below. Match t...

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  16. Lithium and Magnesium belong to 1st and 2nd groups in the periodic tab...

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  17. A student is doing an experiment in the laboratory using sodium. Sudde...

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  18. Alkali metais can react with water to form hydroxides which are alkali...

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  19. We use soaps and detergents for washing clothes. But in olden days peo...

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  20. You are given conc. HCl and salts of some alkaline earth metals and di...

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