Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Laboratory Assistant Common Facility Service Centre' And exam conducted in the year 2023. And Question paper code was '019/2023/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.
A:-Only i and ii
B:-Only ii and iii
C:-Only i and iii
D:-Only ii and iv
Correct Answer:- Option-C
Question51:-The oxidation state of H in metal hydrides is
A:-+2
B:-+1
C:--2
D:--1
Correct Answer:- Option-D
Question52:-Catalyst used in the synthesis of sulphuric acid is
A:-Iron
B:-Phosphoric acid
C:-Manganese dioxide
D:-Vanadium pentoxide
Correct Answer:- Option-D
Question53:-The bond present in NaCl is
A:-lonic bond
B:-Covalent bond
C:-Coordinate bond
D:-Hydrogen bond
Correct Answer:- Option-A
Question54:-The sour taste of tamarind is due to the presence of
A:-Citric acid
B:-Hydrochloric acid
C:-Tartaric acid
D:-Lactic acid
Correct Answer:- Option-C
Question55:-NaOH + HCI > A + B. Identify A and B
A:-A is NaCl and B is #0
B:-A is NaCl and B is HCI
C:-A is NaH and B is مي
D:-A is NaOCl and B is NaCl
Correct Answer:- Option-A
Question56:-The major mineral present in Chavara barrier beach in Kerala which is