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 'Dairy Farm Instructor' And exam conducted in the year 2023. And Question paper code was '242/2023'. 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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Purification method used for separating Glycerol from Spent-lye in soap industry is
A) Sublimation
B)
C) Distillation under reduced pressure
D)
Crystallisation
Chromatography
Number of moles of the solute per kilogram of the solvent is
A) Mole fraction B) Molality
C) Molarity D) Mass %
Which of the following is an example for an ideal solution ?
A) Ethanol + acetone B) Phenol + aniline
C) Acetone + chloroform D) Benzene + toluene
The conversion of molecules-A to B follows second order kinetics. If the concentration
of A is increased to two times how will it affect the rate of formation of B ?
A) Rate will increase two times B) Rate will increase four times
C) Rate remains constant D) Rate will increase six times
Choose the correct expression for Arrhenius equation.
= Ae oar നച
A) k=Ae B) RT
کت رہ 0) k= Ae ="
RT
The Carbon-Oxygen bond length in phenol is
A) 142 pm B) 141 pm C) 136 pm D) 130 pm
During fermentation which gas is released ?
4) 02 B) SO, C) CO, D) NO,
Identify allylic alcohol from the following.
~) பேபி
A) CH, = CH — OH B) னு
3
©) 0113 -- 0112 -- ©112 -- 011 D) CH, = CH — CH, — OH