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 '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.
D:-Grams
Correct Answer:- Option-C
Question74:-Which of the following solution should be used for eye bathing, when
acids get in the eyes at the laboratory?
A:-2% Kou
B:-2% 7௩01
C:-2% NaHCO;
0:-2%8 १०८०3
Correct Answer:- Option-C
Question75:-Solutions of a weak acid and its conjugate base or weak base and its
conjugate acid can maintain pH is known as
A:-Indicator
B:-Titrant
C:-EDTA
D:-Buffer
Correct Answer:- Option-D
Question76:-How do you make 0.1N aqueous neon solution?
A:-40 gm ധം in 1 litre water
B:-400 gm ധംഥ്ജ in 1000 ml water
C:-4 gm noon in 1000 ml water
D:-40 gm waou in 100 ml water
Correct Answer:- Option-C
Question77:-Which of the given parameter value increases with the magnesium
content?
A:-KOH number
B:-DRC
C:-Coagulum content
D:-Sludge content
Correct Answer:- Option-D
Question78:-Hearing protection is required when noise levels exceed OSHA's PEL of
dBA.
A:-80
B:-90
C:-100
D:-110
Correct Answer:- Option-B
Question79:-Which equipment is used in the determination of the KOH Number of