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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LABORATORY TECHNICIAN GRADE-II' And exam conducted in the year 2018. And Question paper code was '060/2018'. 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.
A:-4 mC
B:-1 mC
C:-2 mC
D:-6 mC
Correct Answer:- Option-C
Question29:-Which of the following radiation is used to take photographs of distant objects ?
A:-Microwaves
“rays
C:-UV-rays
D:-IR-radiations
Correct Answer:- Option-D
Question30:-If earth shrinks to half of its present radius without any change in its mass, then how does the duration of a
day changes ?
A:-Decreases
B:-Increases
C:-No change
D:-May increase or decrease
Correct Answer:- Option-A
Question31:-Rutherford conducted the scattering experiment using
A: beta’ -particles
B:-‘alpha® -particles
C:-‘gamma’ -particles
D:-photons
Correct Answer:- Option-B
Question32:-The hybridisation of carbon in diamond is
مو
B:-sp
0737
0:-`5073` 6
Correct Answer:- Option-C
Question33:-Permanent hardness cannot be removed by
A:-Adding washing soda to water
B:-Boiling water
:-Adding calgon
D:-Passing through resin
Correct Answer:- Option-B
Question34:-The shape of methane molecule is
A:-tetrahedral
near
C:-pyramidal
D:-planar
Correct Answer:- Option-A
Question35:-Milk is an example of
A:-foam
B:-gel
C:-emulsion
D:-sol
Correct Answer:- Option-C
Question36:-Graphite belongs to which type of crystalline structure ?
A:-Hexagonal
B:-Monoclinic
:-Triclinic
D:-Cubic
Correct Answer:- Option-A
Question37:-Germanium is refined by
A:-distillation
C:-electrolysis
D:-zone refining