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 'TECHNICAL ASSISTANT GR II GOVERNMENT ANALYSTS LABORATORY FOOD SAFETY DEPT' And exam conducted in the year 2018. And Question paper code was '006/2018'. 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.
70.
71,
72,
73,
74.
75,
76.
The mole fraction of ethyl alcohol in a solution containing 5.4 g of water and 9.2 g of ethyl
alcohol is
^) 0.8 (8) 04
© 10 യ 0.6
The ratio of the depression in freezing point of equimolar solution of NaCl, Glucose and Urea is
لم 1 © 1
(ಲ) 1 (D) None of these
The base peak in a mass spectrum is
(ಹ) The peak with high mass by charge ratio
(8) The peak with low mass by charge ratio
(ಲ) The peak with the highest intensity
(D) None of these
‘Which of the following increase with decrease in dilution ?
(ಹ) Specific Conductance برق Molar conductance
(C) Equivalent Conductance (D) Both (A) and (B)
If the dissociation constant of HCN is 4 x 10770, then the hydrolysis constant for NaCN is
ಯ) 15೬1075 @) 2.5 55
© 2.5 > 107 D) 1.5 > 10;
The approximate tortional energy between eclipsed and staggered conformation of ethane 18
(ക) 10.5 kJ per mole (8) 14.5kJ per mole
(ಲ) 18.5 kJ per mole (D) 12.5kJ per mole
The acid catalysed dehydration of 1,2 glycols followed by rearrangement to form a ketone is
generally called
(ಹ) Perkin reaction (B) Fries rearrangement
(€) Keto enol rearrangement (D) Pinacol pinnacolone rearrangement
The aqueous solution of the salt of ammonium acetate 18
(A) Neutral (B) Basic
(ಲ) Acidic (D) Either acidic or basic
11 006/2018
[P.T.O.]
