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 'Analyst Gr III - Drugs Control' And exam conducted in the year 2020. And Question paper code was '045/2020'. 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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is an indicator electrode used in potentiometric experiments.
A) Quinhydrone electrode
B) Calomel electrode
©) Silver~Silver chloride electrode
D) Mercurous electrode
In polarography, the current which is directly proportional to concentration is
A) Migration current 8) Kinetic current
C) Diffusion current D) Limiting current
_ ടട added in modified Volhard’s method for determination of
chlorides to form an insoluble layer over the precipitate.
A) Toluene B) Benzene C) Nitrobenzene 0) Xylen
The colour change interval of Phenol red indicator is
A) 1.2 - 2.8 8) 3.4 - 4.4 ©) 8.2 - 10 0) 6.8 - 8.4
. The theory which states that the colour change of indicators are due to structural
changes is
A) Quinonoid theory ©) Oswald's theory
C) Arrhenius theory D) Lewis theory
The alkaloid containing imidazole ring structure
A) Hygrine B) Arecoline
C) Pilocarpine D) Cocaine
The alkaloid which is derived from phenyl alanine is
A) Papaverine B) Codeine
C) Ephedrine D) Atropine