Answers

2014-02-25T17:44:55+05:30
A halogen are highly reactive elements located in group 17 of the periodic table.
 
Halogens are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).

Uses of Halogens : Halogen lamp, Bromides as sedatives, Glass etching, Dry-cleaning (methylene chloride), Methyl bromide as an agricultural fumigant .
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