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 'LABORATORY TECHNICIAN (DRUGS STANDARDIZATION UNIT' And exam conducted in the year 2023. And Question paper code was '155/2023'. 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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What is the product obtained at cathode during the electrolysis of aqueous CuSO,
solution ?
A) Hydrogen B) Sulfur dioxide C) Copper D) Oxygen
What is the potential of half-cell consisting of zinc electrode in 0.01M ZnSO,
solution at 25°C, standard electrode potential of zinc, E°7,2+7, = — 0.760V ?
A) 0.819V 8) -0.819/
C) 0.701V 0) - 0.701\/
In a fuel cell, chemical energy is converted to energy.
A) Mechanical B) Kinetic C) Solar D) Electrical
Molar conductance at infinite dilution of weak electrolyte can be determined using
A) Hittorf’s law B) Kohlrausch’s law
C) Faraday’s law D) Newton’s law
What is the IUPAC name of the co-ordination complex K,[Ni(CN),] ?
A) Tetrapotassium tetracyanonickelate(0)
B)
C) Potassium tetracyanonickelate(0)
D)
Tetracyanonickel(0) potassium
Tetrapotassium tetracyanonickel
What is the oxidation state of Pt in [Pt(NH3)zClg]CI ?
A) +1 B) +2 C) +3 D) +4
How many bond pairs and lone pairs are there in water molecule ?
A) 2 bond pairs, 2 lone pairs
B) 1 bond pair, 2 lone pairs
C) 2 bond pairs, 1 lone pair
D) 1 bond pair, 1 lone pair
The correct shape and hybridization of ammonia molecule according to VSEPR
theory
A) trigonal planar, [02 B) pyramidal, sp?
C) tetrahedral, sp? D) linear, sp
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