Kerala PSC Previous Years Question Paper & Answer
Page:9
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Tester cum Guager' And exam conducted in the year 2024. And Question paper code was '010/2024/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:-Error
Correct Answer:- Option-B
Question42:-Which of the following is a buffer solution?
A-CH3COOH+CH;COONa
B:-CH;COOH+CH;COONH,
© :- 725 0+0
D:-NaCl + NaOH
Correct Answer:- Option-A
Question43:-Which of the following is used as an indicator in the titrations of strong
acid and a weak base?
A:-Phenolphthalein
B:-Methylorange
C:-Thymol blue
D:-Fluorescein
Correct Answer:- Option-B
Question44:-Indeterminate errors also called
A:-accidental error
B:-random error
C:-both 1 and 2
D:-none
Correct Answer:- Option-C
Question45:-When foreign ion get trapped in growing crystal is called
A:-Inclusion
B:-Occlusion
C:-Mechanical entrapment
D:-Post precipitation
Correct Answer:- Option-B
Question46:-The normal rain water is acidic due to
[ता
B:-v0,
0-50)
D:-co,
Correct Answer:- Option-D
Question47:-The pH range of methyl orange as an indicator is
A:-8-9
8:-2 - 4