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How to prepare sodium bicarbonate (bakin...

How to prepare sodium bicarbonate (baking soda) from sodium carbonate?

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Sodium bicarbonate is prepared by passing `CO_(2)` gas through saturated solution of sodium carbonate. `Na_(2)CO_(3) + CO_(3) + H_(2)O to 2NaHCO_(3)`
sodium bicarbonate is less soluble. Hence is separates as a crystalline powder.
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SUBHASH PUBLICATION-S-Block Elements-Two marks questions and answers
  1. Compare four properties of alkali metals and alkali earth metals.

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  2. Sodium hydroxide is a deliquescent in nature. Why?

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  3. How to prepare sodium bicarbonate (baking soda) from sodium carbonate?

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  4. What is dead burnt plaster? How is it obtained from gypsum?

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  5. What is used for drying alcohol and non-acidic gases and why?

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  6. what are the biological importance of sodium and potassium.

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  7. How to prepare calcium oixde (CaO)?

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  8. What are the properties of calcium oxide?

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

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

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

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

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

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

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

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

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

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

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  19. Explain the biological importance of magnesium and calcium.

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

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