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The average composition of portland ceme...

The average composition of portland cement is

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What is the chemical composition of Sorel's cement?

Magnesium oxide when mixed with a saturated solution fo MgCl_(2) , sets to a hard mass known as 'Sorel cement' is formed. The composition of sorel cement is MgCl_(2).nMgO.xH_(2)O . What is the value of n ?

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ICSE-THE s - BLOCK ELEMENTS-SHORT ANSWER TYPE QUESTIONS
  1. List three properties of lithium in which it differs from the rest of ...

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

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

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

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  7. The average composition of portland cement is

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  8. Differentiate between quicklime and Slaked lime.

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  9. Differentiate between lime and lime-water.

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  10. Differentiate between slaked lime and lime water

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

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

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

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

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  15. How is magnesium chloride obtained from carnallite?

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

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

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  18. Name 2 ores of magnesium.

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

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  20. What is lime light?

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