http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-group-trends-i-vii-0/ O-Level Chemistry Made Easy Sat, 14 Jan 2012 03:43:17 +0000 hourly 1 http://wordpress.org/?v=3.0.4 http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-group-trends-i-vii-0/comment-page-1/#comment-7777 muneeb Sun, 11 Dec 2011 15:06:34 +0000 http://www.simplechemconcepts.com/?p=2280#comment-7777 1.B i.used in light bulbs ii.Its used for this purpose because ,its an inert gas as a result it doesnot react with tungsten fillament as oxygen does iii.neon 1.B
i.used in light bulbs
ii.Its used for this purpose because ,its an inert gas as a result it doesnot react with tungsten fillament as oxygen does
iii.neon

]]> http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-group-trends-i-vii-0/comment-page-1/#comment-3369 abhishek Thu, 25 Feb 2010 15:13:19 +0000 http://www.simplechemconcepts.com/?p=2280#comment-3369 1.A 2. i.used in light bulbs ii.Its used for this purpose because ,its an inert gas as a result it doesnot react with tungsten fillament as oxygen does. iii.Argon 1.A
2.
i.used in light bulbs
ii.Its used for this purpose because ,its an inert gas as a result it doesnot react with tungsten fillament as oxygen does.
iii.Argon

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