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What is the action of air on sodium ?...

What is the action of air on sodium ?

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ICSE-THE s - BLOCK ELEMENTS-SHORT ANSWER TYPE QUESTIONS
  1. Mention any five properties in which beryllium resembles aluminium.

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  2. Why does the solution of sodium in liquid ammonia possess strong reduc...

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  3. What is the action of air on sodium ?

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  4. Describe the principle of Solvay process used for the manufacture of s...

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  5. What is flame test and why do alkali metals show characteristic colour...

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  6. Why is Solvay process for the manufacture of sodium carbonate very che...

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  7. Why can Solvay process not be used for the manufacture of potassium ca...

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  8. What is the action of heat on Na2CO3 . 10H2O ?

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  9. How is baking soda prepared?

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  10. What is plaster of Paris and how is it prepared?

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  11. Describe the setting of plaster of Paris.

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  12. How would you prepare gypsum from calcium chloride ?

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  13. How would you prepare lime from limestone ?

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  14. What happen when magnesium burns in CO2 ?

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  15. What happens when carbon dioxide is passed through lime water?

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  16. Slaked lime reacts with chlorine to give

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  17. What happen when plaster of Paris is heated above 473 K ?

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  18. What happens when excess of CO2 is passed in lime water and the soluti...

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  19. Describe the action of chlorine on lime and milk of lime.

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  20. What is gypsum and what is the effect of heat on it?

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