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Sea is the greatest source of halogens. ...

Sea is the greatest source of halogens. Comment.

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Sea Water contains chlorides, bromides and iodides of sodium, potassium, magnesium, and calcium. Sodium chloride is prepared from sea water. Certain seaweeds contain sodium iodide which is used for the preparation of iodine.
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A N EXCEL PUBLICATION-P-BLOCK ELEMENTS-QUESTION BANK
  1. Considering the parameters such as bond dissociation enthalpy, electro...

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  2. Give two examples to show the anomalous behaviour of fluorine.

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  3. Sea is the greatest source of halogens. Comment.

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  4. Give the reason for the bleaching property of chlorine.

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  5. Name two poisonous gases that can be prepared from chlorine gas

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  6. Why is ICl more reactive than I2 ?

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  7. Why is helium used in diving apparatus?

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  8. Why has it been difficult to study the chemistry of radon?

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  9. Elements in the groups 13 to .18 in the periodic table constitute the ...

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  10. Elements in the groups 13 to .18 in the periodic table constitute the ...

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  11. Elements in the groups 13 to .18 in the' periodic table constitute the...

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  12. After a discussion about the structures of hydrides of group-15 elemen...

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  13. After a discussion about the structures of hydrides of group-15 elemen...

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  14. After a discussion about the structures of hydrides of group-15 elemen...

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  15. After a discussion about the structures of hydrides of group-15 eleme...

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  16. Discovery, of Haber’s process for manufacture of ammonia is considered...

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  17. Discovery, of Haber’s process for manufacture of ammonia is considered...

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  18. Discovery, of Haber’s process for manufacture of ammonia is considered...

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  19. Phosphorus of group-15 and sulphur of group-16 are two industrially im...

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  20. Phosphorus of group-15 and sulphur of group-16 are two industrially im...

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