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What happens when (i) sodium metal is ...

What happens when
(i) sodium metal is dropped in water?
(ii) sodium metal is heated in free supply of air?
(iii) sodium peroxide dissolves in water?

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ICSE-THE s - BLOCK ELEMENTS-SHORT ANSWER TYPE QUESTIONS
  1. The alkali metals follow the noble gases in their atomic structure. Wh...

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  2. List three properties of lithium in which it differs from the rest of ...

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  3. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  4. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  5. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  6. When an alkali metal dissolves in liquid ammonia the solution can acqu...

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  7. Why does the following reaction proceed better with KF than with ...

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  8. The average composition of portland cement is

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  9. Differentiate between quicklime and Slaked lime.

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  10. Differentiate between lime and lime-water.

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  11. Differentiate between slaked lime and lime water

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  12. Complete the following equation for the reaction between Ca + H2O

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  13. Complete the following equation for the reaction between Ca(OH)2 + Cl2

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  14. Complete the following equation for the reaction between BeO + NaOH.

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  15. Complete the following equation for the reaction between BaO2 + H2SO4.

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  16. How is magnesium chloride obtained from carnallite?

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  17. What happens when MgCl2 . 6 H2O is heated ?

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  18. What is Sorel's cement and how is it prepared?

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  19. Name 2 ores of magnesium.

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  20. What is the action of heat on MgSO4 . 7 H2O ?

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