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How would you prepare pure sodium chlori...

How would you prepare pure sodium chloride from crude salt?

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Crude salt contains sodium sulphate, calcium sulphate, calcium chloride and magnesium chloride as impurities along with sodium chloride.
(b) Pure NaCl is obtained from crude salt by removal of insoluble impuriti from the crude salt solution with minimum amount of water.
(c) Sodium chloride can be crystallized by passing HCl gas into this solution.
(d) Calcium and magnesium chloride being more soluble than NaCl,remain in solution
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FULL MARKS-ALKALI AND ALKALINE EARTH METALS-Additional Questions Solved
  1. What is soda ash ? How it obtained ?

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  2. List down the uses of washing soda.

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  3. How would you prepare pure sodium chloride from crude salt?

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  4. Mention the uses of sodium chloride.

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  5. List the uses of sodium hydroxide.

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  6. Give reason why sodium bicarbonate is used in bakeries.

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  7. Write about the uses of sodium bicarbonate.

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  8. Explain the action of soda lime with (i) SiO(2) and (ii)P(4) O...

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  9. Explain the periodic nature of ionization enthalpy in the alkali group...

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  10. Explain the various periodic trends in the alkali metals down the grou...

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  11. Explain  about the anomalous behaviour of lithium among the alkali met...

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  12. How alkali metals react with oxygen? Explain with equation.

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  13. How alkali metals react with liquid ammonia?

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  14. What is the reason behind the blue colouration of alkali metals with l...

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  15. Explain how alkali metal oxide reacts with water?

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  16. Describe about the fire works of alkaline earth metals.

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  17. Copper and chlorine compounds makes blue fire work. Why?

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  18. IE2 values of alkaline earth metals are much smaller than those of alk...

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  19. MgCl(2) and CaCl(2) are easily hydrated, while NaCl and KCl are not hy...

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  20. What are the distinctive behaviour of beryllium?

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