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Old March 19th, 2013, 01:08 PM
Sumit Bhardwaj
Super Moderator
 
Join Date: Nov 2011
Posts: 34,143
Default Re: IIT Test Paper Free Download

Hi dear I am providing you the papers of 2009, 2008 and 2007
4.
Among cellulose, poly(vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular
force of attraction is weakest is
(A) Nylon
(B) Poly(vinyl chloride)
(C) Cellulose
(D) Natural Rubber
Sol.
(D)
As chain of natural rubber involves weak van der Waal force of interaction.
5.
Given that the abundances of isotopes 54Fe, 56Fe and 57Fe are 5%, 90% and 5% respectively, the atomic
mass of Fe is
(A) 55.85
(B) 55.95
(C) 55.75
(D) 56.05
Attached Files
File Type: pdf IIT paper I 2009.pdf (374.3 KB, 53 views)
File Type: pdf IIT Paper I 2008.pdf (386.2 KB, 39 views)
File Type: pdf IIT paper 2 2008.pdf (440.6 KB, 31 views)
File Type: pdf IIT paper 1 2007.pdf (377.8 KB, 34 views)
File Type: pdf IIT paper 2 2007.pdf (417.3 KB, 31 views)
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