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Paper:XII Chemistry TN Paper 2012
Total marks of the paper:150
Total time of the paper:3 hrs
Instruction : Check the question paper for fairness of printing. If there is any lack of fairness, inform the Hall Supervisor immediately.
Questions:
1] [Marks:1]
A.
B.
C.
D.
2] [Marks:1]
A.
B.
C.
D.
3] [Marks:1]
A.
B.
C.
D.
4] [Marks:1]
A.
B.
C.
D.
5] [Marks:1]
A.
B.
C.
D.
6] [Marks:1]
A.
B.
C.
D.
7] Which of the following process is always non-feasible? [Marks:1]
A.
B.
C.
D.
8] In SI unit 1 eu is [Marks:1]
A.41.84 EU
B.418.4 EU
C.4184 EU
D.4.184 EU
9] [Marks:1]
A.
B.
C.
D.
10] [Marks:1]
A.2 seconds
B.0-2 second
C.0-2 minute
D.2 minutes
11] De- Broglie reaction is [Marks:1]
A.
B.
C.
D.
12] The hybridisation in NH4+ ion is [Marks:1]
A.sp
B.sp2
C.sp3d
D.sp3
13] Among the following which has higher electron affinity value? [Marks:1]
A.Chlorine
B.Bromine
C.Iodine
D.Fluorine
14] The compound with garlic odour is [Marks:1]
A.P2O3
B.P2O5
C.H3PO4
D.H3PO3
15] Paramagnetism is the property of [Marks:1]
A.paired electrons
B.completely filled electronic subshells
C.completely vacant electronic subshells
D.unpaired electrons
16]
[Marks:1]
A.C6H5Cl
B.C6H5NHNH2
C.C6H5NO2
D.C6H6
17] Which of the following will not undergo diazotiastaion? [Marks:1]
A.m - toludine
B.aniline
C.p-aminophenol
D.benzyl amine
18] Which of the following compounds is called oil of mirbane? [Marks:1]
A.Amiline
B.Nitromethane
C.Benzene diazonium chloride
D.Nitrobenzene
19] The reducing sugar among the following is [Marks:1]
A.sucrose
B.cellulose
C.starch
D.glucose
20] The amino acid without chiral carbon is [Marks:1]
A.alanine
B.proline
C.tyrosine
D.glycine
21] The term A in Arrhenius equation is called as [Marks:1]
A.probability factor
B.collision factor
C.frequency factor
D.activation energy
22] The Tyndall's effect associated with colloidal particles is due to [Marks:1]
A.presence of charge
B.absorption of light
C.reflection of light
D.scattering of light
23] Colloidals are purified by [Marks:1]
A.precipitation
B.coagulation
C.filtration
D.dialysis
24] Medicine used as an eye lotion is [Marks:1]
A.colloidal gold
B.colloidal antimony
C.milk magnesia
D.solver sol
25] Ostwald's dilution law is applicable in the case of the solution of [Marks:1]
A.NaCl
B.NaOH
C.H2SO4
D.CH3COOH
26] Which of the following ions will give colourless aqueous solution? [Marks:1]
A.Ni2+
B.Fe2+
C.Cu2+
D.Cu+
27] ------------ form oxocations. [Marks:1]
A.Lanthanides
B.Noble gases
C.Alkali metals
D.Actinides
28] Fuel used in nuclear power plants is [Marks:1]
A.Pu 235
B.Pu 238
C.U 238
D.U 235
29] [Marks:1]
A.Tetrahedral
B.Triangular
C.Octahedral
D.Square planar
30] [Marks:1]
A.21-6 days
B.261 days
C.26-1 days
D.216 days
31] [Marks:3]
32] [Marks:3]
33] [Marks:3]
34] [Marks:3]
35] [Marks:3]
36] [Marks:3]
37] [Marks:3]
38] [Marks:3]
39] [Marks:3]
40] [Marks:3]
41] [Marks:3]
42] [Marks:3]
43] [Marks:3]
44] [Marks:3]
45] [Marks:3]
46] [Marks:3]
47] [Marks:3]
48] [Marks:3]
49] [Marks:3]
50] [Marks:3]
51] [Marks:3]
52] [Marks:5]
53] [Marks:5]
54] [Marks:5]
55] [Marks:5]
56] [Marks:5]
57] [Marks:5]
58] [Marks:5]
59] [Marks:5]
60] [Marks:5]
61] [Marks:5]
62] [Marks:5]
63] [Marks:10]
64] [Marks:10]
65] [Marks:10]
66] [Marks:10]
67] [Marks:10]
68] [Marks:10]
69] [Marks:10]
70] [Marks:10]




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