Kerala PSC Previous Years Question Paper & Answer
Page:2
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'WELFARE ORGANISER' And exam conducted in the year 2016. And Question paper code was '031/2016/OL'. 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:-p np transistor
B:-n pn transistor
C:-resistor
D:-p n junction diode
Correct Answer:- Option-D
Question10:-The focal length of a convex lens is 25 cm. Then its power is
A:-4D
-3D
C:-2D
D:-1D
Correct Answer:- Option-A
Question11:-The chemical formula of smelling salt is
A:-Sodium carbonate
B:-Ammonium carbonate
C:-Ammonium bicarbonate
D:-Sodium bicarbonate
Correct Answer:- Option-B
Question12:-Which of the following element is most electronegative
A:-Oxygen
B:-Chlorine
C:-Fluorine
D:-Nitrogen
Correct Answer:- Option-C
Question13:-The size of weather baloon becomes larger and larger as it ascends up into higher altitude Which gas law is
applicable here
A:-Boyle s Law
B:-Charle s Law
C:-Avogadrow Law
D:-Gay Lussac s Law
Correct Answer:- Option-A
Question14:-Which one of the following subshell is not possible
A:-4d
B:-5s
2-38
D:-2p
Correct Answer:- Option-C
Question15:-Bauxite is the ore of
A:-Copper
B:-Zinc
6:0
D:-Aluminium
Correct Answer:- Option-D
Question16:-The gas liberate when Hydrochloric Acid react with water
A:-Oxygen
B:-Hydrogen
C:-Nitrogen
D:-Chorine
Correct Answer:- Option-B
Question17:-The pH of pure water
A:-4
B:-9
27
0:-0
Correct Answer:- Option-C
Question18:-The oxydation number of sulphur in sulphuric acid is
A:-4
B:-2
C:-8
D:-6