Kerala PSC Previous Years Question Paper & Answer
Page:11
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'SANITARY CHEMIST KERALA WATER AUTHORITY TECHNICAL ASSISTANT CHEMICAL EXAMINERS LABORATORY LAB ASSISTANT' And exam conducted in the year 2019. And Question paper code was '011/2019'. 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 radius ratio of octahedral void is
(ಹ) 0.414 (3) 0.225
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The pH of a 0.001 M HC! solution is :
ಯ) 2 ® 3
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How many signals would be expected in the NMR spectrum of (CH,),CC! ?
(A) One signal (B) Two signal
(ಲ) Three signal (D) Nine signal
The monomer of Orlon :
(A) Formaldehyde and phenol
(B) Ethylene glycol
(C) Vinyl cyanide
(D) Adipicacid and hexamethylene diamine
‘Which of the following is a Nitro dye ?
(ಹಿ) Methyl orange (B) Aniline yellow
(C) Martjus yellow (D) Methyl blue
‘Which one 15 the strongest base among the following ?
(A) CH,NH, (B) (CH,),NH,
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(ಹ) Acetyl salicylic acid (8) Ethoxy benzoic acid
(C) Methoxy benzoic acid (D) Acetyl oxalic acid
‘Which acid is used for cleaning glass wares in the laboratory ?
(ക) Sulphuric acid (3) Hydrochloric acid
(C) Nitric acid (D) Chromic acid
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[P.T.O.]
