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 'TECHNICAL ASSISTANT DRUGS CONTROL' And exam conducted in the year 2015. And Question paper code was '124/2015'. 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.
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The half-life period د له radioactive element is 100 days. How long will it take for the decay of
15 g out of 16 g?
(ക) 200 days (B) 600 days
(C) 300 days (D) - 400 days
The pH of a solution obtained by mixing 50 ml of 0.40 N HCI and 50 ml of 0.20 N NaOH is :
ക 3 (अ 2. 8
(€)1 (D) log2
Quantity of electricity in coulombs required to liberate 112 ml of H, gas at N.T.P. is :
(A) 4825C (B) 965006
(C) 1930C യ) 965൦
17 x, and x, are the molefractions ण solvent and non-volatile solute and P° and P are the
vapour pressures of solvent and solution, then according to Raoult’s law : `
(89. 2 وه جه مج ൪ P°==x.P
© P-Po=x -x @) (० - 2) / 2 = ध्
At extremely high pressure, the van der Waal's equation for 1 mole a real gas may be
written as :
(^) ए = 7۷۳ - لال (B) PV=RT+Pb
(© PV=RT-Pb (0) (P+a)(V-b)=RT
Potassium crystallizes with bee lattice. The number of atoms in a unit cell is :
@ 1 .® 8
© 4 യ 2
In the Borax bead test, the colour of metaborate beads of copper is :
(ಹ) Blue (B) Green
(C) Pink (0) Red
The oxidation number of carbon in carbon suboxide is :
(4) +2/3 യ +8
(© -43 യ ട 28
124/2015 6 A
