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How to prepare calcium carbonate (Lime s...

How to prepare calcium carbonate (Lime stone) from slaked lime ?

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Calcium carbonate is prepared by passing calculated quantities of `CO_(2)` through slaked lime.
`Ca(OH)_(2) to CaCO_(3) + H_(2) O`
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SUBHASH PUBLICATION-S-Block Elements-Two marks questions and answers
  1. What are the properties of calcium oxide?

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  2. Which metals is present in chlorophyll? How does this metals react wit...

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  3. Name an alkali metal carbonate which is thermally ustable and why? Giv...

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  4. Why are ionic hydrides of only alkali metals and alkaline earth metals...

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  5. Which one of the alkaline earth metals carbonate is thermally most and...

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  6. Which out of LI, Na, K, Be, Mg, Ca has lowest ionization enthalpy and ...

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  7. Which alkali metal ion forms largest hydrate ion in aqueous solution a...

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  8. What is responsible for the blue colour of the solution of alkali meta...

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  9. Heat of Hydration of Na^(+) (size 102 Pm) = - 397J Kj mol^(-1) whereas...

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  10. Discuss the diagonal relationship of Be and AI with regard to (i) acti...

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  11. How to prepare calcium carbonate (Lime stone) from slaked lime ?

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  12. Explain the biological importance of magnesium and calcium.

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  13. Lithium is kept wraped in parafin wax not stored in kerosene oil. Why?

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  14. When lithium is heated in air mainly forms the monoxide and not peroxi...

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  15. What is the colour imparts when calcium, Barium and strontium undergoe...

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  16. What is the formula of gypsum? What happens when it is heated?

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  17. Beryllium and magnesium do not impart colour to bunsen flame. Why?

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  18. Which colour is imparted when Lithium, sodium, potassium and Rubidiumk...

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  19. The ionic compounds of alkali metals colourless. Why?

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  20. Alkali metals are good conductors of electricity. Why?

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