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 '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.
fraction of
A:-Butene
B:-lsoprene
C:-Butadiene
D:-Butane
Correct Answer:- Option-A
Question18:-In Lassaigne's test for the detection of halogens, the sodium fusion
extract is first boiled with concentrated nitric acid. This is performed to
A:-Remove silver halides
B:-Dissolve 4,5
C:-Decompose Na,5 and wacn
D:-Dissolve 4208
Correct Answer:- Option-C
Question19:-Which of the following fibre is known as "Dacron"?
A:-Polyester
B:-Polyurethane
C:-Acrylic
D:-Nylon
Correct Answer:- Option-A
Question20:-Resole is an example for
A:-Thermoplastic elastomer
B:-Thermosetting polymer
C:-Thermoplastic polymer
D:-Synthetic Rubber
Correct Answer:- Option-B
Question21:-Which of the following is a thermoplastic polymer?
A:-PVC
B:-Bakelite
C:-Epoxy resin
D:-None of these
Correct Answer:- Option-A
Question22:-The catalyst used in the polymerization of propylene is
A:-Mo0,
B:-T:Clg+AU(C2H5),
भव 1
7-11-04