Kerala PSC Previous Years Question Paper & Answer
Page:13
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Tradesman (Polymer Technology)' And exam conducted in the year 2023. And Question paper code was '084/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
B:-Ebonite bonding
C:-lsocyanate bonding
D:-Brass-plating
Correct Answer:- Option-B
Question69:-Estimations done by standard iodine solutions are called
A:-lodometry
B:-lodimetry
C:-lodine absorption
D:-lodolysis
Correct Answer:- Option-B
&
Question70:-
What is the meaning of this chemical hazard symbol?
A:-Flammable liquid
B:-Explosive
C:-Oxidizable liquid
D:-Open flame
Correct Answer:- Option-C
Question71:-Which indicator should be used for complexometric titrations?
A:-Starch
B:-Phenolphthalein
C:-Eriochrome black T
D:-Methyl orange
Correct Answer:- Option-C
Question72:-Which intermediate solution is used in iodometry for the estimation of
potassium dichromate?
A:-Potassium iodide
B:-Sodium thiosulphate
C:-Starch
D:-Buffer
Correct Answer:- Option-B
Question73:-The hardness of water is expressedin ____-
A:-Shore O
B:-Degree Celsius
C:-Degrees