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What happens when hot NaOH is passed thr...

What happens when hot NaOH is passed through halogens ?

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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
  1. How can caustic soda is prepared ?

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  2. What happens when cold NaOH reacts with halogens ?

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  3. What happens when hot NaOH is passed through halogens ?

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  4. Why alkali metals act as strong reducing agents ?

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  5. Name first four elements of group IA of the periodic table ?

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  6. Why sodium catches fire when dropped in water ?

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  7. Give the principle of preparation of sodium hydroxide.

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  8. Give method of preparation of calcium nitrate. Give equation.

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  9. How magnesium sulphate is prepared ?

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  10. What is slag ? Give an example of it.

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  11. What happens when gypsum is heated ?

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  12. Why alkali metals act as strong reducing agents ?

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  13. Name first four elements of group IA of the periodic table ?

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  14. Give one method of preparation and two uses of milk of magnesia.

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  15. What is milk of magnesia ? Give its preparation and uses.

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  16. What is plaster of paris ? Give its preparation and uses.

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  17. Except Beryllium and Magnesium, other elements of Gr. IIA give charact...

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  18. A solution of KOH in water is called :

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  19. Which one of the following is formed on dissolving I2 in aqueous solut...

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  20. A colourless salt gives violet colour to Bunsen flame and also turns m...

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