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Sodium cannot be obtained by the electro...

Sodium cannot be obtained by the electrolysis of aqueous solution of `NaCl` using `Pt` electrodes.

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DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-CONCEPT BASED QUESTIONS
  1. The crystalline salts of alkaline earth metals contain more water of c...

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  2. Assertion (A): Na(2)SO(4) is soluble in water while BaSO(4) is insolub...

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  3. Sodium cannot be obtained by the electrolysis of aqueous solution of N...

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  4. Hydrated magnesium chloride cannot be dehydrated by heating.

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  5. Calcium is generally preferred over sodium to remove traces of water f...

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  6. Why is Li(2)CO(3) decomposed at a lower temperature whereas Na(2)CO(3)...

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  7. The crystalline salts of alkaline earth metals contain more water of c...

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  8. The enthalpy of formation of hypothetical CaCl(s) is found to be - 180...

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  9. Complete the following : (i) CaSO(4). 2H(2)O overset("heat")(to) ...

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  10. Complete and balance the following equations. (i) KO(2) + H(2) O to ...

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  11. Give the names and formulae of the compounds indicated by the followin...

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  12. A white solid (x) when heated evolves a colourless gas which does not ...

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  13. A is a binary compound of a univalent metal. When 1.422 g of A reacts ...

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  14. 0.2g of magnesium ribbon was placed in a crucible and heated with lid ...

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  15. Which of the following statements are not correct? Rectify them. (a)...

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  16. Answer the following : (i) What is soda ash? (ii) Which electrolyt...

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  17. How will you prepare the following (a) sodium carbonate from sodium ...

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  18. Why do not we use MgCI(2) instead of CaCI(2) to lower the melting poin...

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  19. Complete and balance the following equations. (i) Mg(HCO(3))(2) + Ca...

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  20. Explain why hydrated magnesium chloride can not be dehydrated upon hea...

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