Kerala PSC Previous Years Question Paper & Answer
Page:14
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.
C:-Denatured spirit
D:-None of the above
Correct Answer:- Option-C
Question72:-In a homologous series each member differs in composition from one
another by one
A:CH, group
B:-cH,-CH, group
C:-cH; group
D:-cu.-cH; group
Correct Answer:- Option-A
Question73:-When heated at 1000°c , methane is decomposed to a finely divided
powder which is used in making printer's ink. What is the name of that powder ?
A:-Charcoal
B:-Graphite powder
C:-Carbon black
D:-Amorphous carbon
Correct Answer:- Option-C
Question74:-The gaseous hydrocarbon used for welding of metals is
A:-Methane
B:-Ethane
C:-Butane
D:-Acetylene
Correct Answer:- Option-D
Question75:-Absolute alcohol contains
A:-95.6% ethanol
B:-99% ethanol
C:-8-10% ethanol
D:-100% alcohol
Correct Answer:- Option-B
Question76:-The monomer of natural rubber is
A:-Ethylene
B:-Propylene
C:-Styrene
D:-lsoprene
Correct Answer:- Option-D
Question77:-Saritha had fever and doctor advised her to take paracetamol 500
tablets thrice a day, because paracetamol is a