Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN CHEMISTRY KERALA COLLEGIATE EDUCATION' And exam conducted in the year 2014. And Question paper code was '119/2014'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
60. Give the general formula of Silanes :
(५) अ, (0) ஊட. {© ಇೃಟ್ಮ > (0) ചം
61. Nanostructures have size in between :
(ಗಿ) 1and 100 A (8) 1 and 100 nm
(9 100 and 1000 nm (D) None of the above
62. The probe of Scanning Tunneling Microscope is as sharp as :
(है) an atom at the tip (8) many atoms at the tip
(त) aneedle (D) णा of the above
63. Quantum Dots are :
(A) 1dimensional (18) 2 dimensional (C) 0 dimensional (D) 3 dimensional
64. 12 - crown - 4 selectively bind with :
(ക) 14 ൫ Nat (ಲ್ಯ. ಸ್ (D) None of these
65. Calixarenes are compounds that belong to the class of :
(A) Crown ethers (8) Cryptands (ಲ) Cyclophanes (D) Cyclodextrins
66. The anli-biotic which behaves like ‘crown ethers’ in promoting the K* transport across cell
membrane is :
(ಡಿ) Nonactin (8) Pencillin (€) Tetracycline (D) None of these
67. The interior of cyclodextrins are :
(ಹಿ) Hydrophilic (B) Hydrophobic (€) 10780 (D) None of these
68. Crown ethers are best used as :
(^) Homogeneous catalyst (8) Heterogeneous catalyst
(9 Phase transfer catalyst (12) None of these
69. The first ionic liquid which is used as a green solvent is :
(A) Ethyl Ammonium Nitrate (8) Methyl Ammonium Nitrate
(ल) Isopropyl Ammonium Nitrate (D) None of the above
70. The best green solvent is :
(ಗಿ) Super Critical NO, (B) Super Critical (0
(त) Super Critical مدال (D) None of these
119/2014 10 A
