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July 5th, 2014, 04:44 PM
Super Moderator
 
Join Date: Mar 2012
Re: GATE Chemistry Last Year question papers

Here I am giving you question paper for Graduate Aptitude Test in engineering chemistry subject in PDF file attached with it so you can get it easily.


Q.5 The average length of a typical α-helix comprised of 10 amino acids is
(A) 10 Å (B) 15 Å (C) 36 Å (D) 54 Å

Q.6 Number of thymine residues in a 5000 kb DNA containing 23% guanine residues is
(A) 2.70 × 106 (B) 2.70 × 107 (C) 1.35 × 106 (D) 1.35 × 1

Q.8 The ratio of relative intensities of the two molecular ion peaks of methyl bromide (CH3Br) in the
mass spectrum is
(A) M+ : (M+2)+ = 1:3
(B) M+ : (M+2)+ = 3:1
(C) M+ : (M+2)+ = 1:1
(D) M+ : (M+2)+ = 1:2

Q.9 A disaccharide that will not give Benedict’s test and will not form osazone is
(A) maltose (B) lactose (C) cellobiose (D) sucrose

Q.16 A metal chelate that can be used for separation and quantitative analysis of aluminium ions by gas
chromatography is
(A) EDTA (B) ethylene glycol
(C) dinonyl phthalate (D) trifluoroacetylacetone

Q.17 The enthalpies of hydration of Ca2+, Mn2+ and Zn2+ follow the order
(A) Mn2+ > Ca2+ > Zn2+
(B) Zn2+ > Ca2+ > Mn2+
(C) Mn2+ > Zn2+ > Ca2+
(D) Zn2+ > Mn2+ > Ca2+

Q.18 The number of terminal carbonyl groups present in Fe2(CO)9 is
(A) 2 (B) 5 (C) 6 (D) 3

Q.19 Among the following substituted silanes, the one that gives cross-linked silicone polymer upon
hydrolysis is
(A) (CH3)4Si (B) CH3SiCl3 (C) (CH3)2SiCl2 (D) (CH3)3SiCl





Attached Files
File Type: pdf GATE Chemistry question papers-1.pdf (497.9 KB, 81 views)
File Type: pdf GATE Chemistry question papers.pdf (480.3 KB, 81 views)


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