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 'CHEMIST IN FACTORIES AND BOILERS ENGLISH ' And exam conducted in the year 2020. And Question paper code was '009/2020'. 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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‘Which parameter is measured in thermogravimetry?
(ಹ) change in temperature (3) change in mass
(0) reflectance (2) change in enthalpy
Amino acid composition of protein is determined by :
4 नात (8) AAS
(@ Electrophoresis {D) Ion-exchange chromatography
0.1 N solution of Na,COj; is being titrated with 0.1 N HCI, the best indicator to be used is :
(ಹ) Potassium ferri cyanide (3) Phenolphthalein
{C) Methyl orange (D) Litmus
‘Which property is measured in absorption spectrophotometry?
{A) Absorption of radiation {B) Optical density of the solution
{C) Refractive index (2) Voltage
Calculate significant figures in 21.697 — 20.802 :
@ 2 ® 4
© 3 യ 5
Normality of 2 M H,S0, is:
@ 4N ® 2N
ര 05N (D) 025N
The reagent commonly used to determine hardness of water titrimetrically 15 :
{A) Disodium salt of EDTA (3) Oxalic acid
{C) Sodium thiosulphate യ Sodium citrate
What is the weighing form of gravimetric estimation of iron?
८4} Fe,O, ற ல
(© ௩௨0, (D) Fe(OH),
Dimethyl Glyoxime is used for the test of ———— in alkaline medium.
4) Hg (9) ೫೩
(© € യ زج
8 009/2020
[P.T.O.]
