Kerala PSC Previous Years Question Paper & Answer

Title : ASSISTANT RESEARCH OFFICER CHEMISTRY
Question Code : A

Page:4


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT RESEARCH OFFICER CHEMISTRY' And exam conducted in the year 2018. And Question paper code was '068/2018/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.

page: 4 out of 12
Excerpt of Question Code: 068/2018/OL

D:-40 lines
Correct Answer:- Option-B
Question29:-Which of the compound | and II is expected to have a lower -C=O stretching frequency?

Fig.
Av
ll
(:- 310 ॥
D:-Cannot be predicted
Correct Answer:-Question Cancelled
Question30:-What is the main factor on which chemical shift depends in Mossbauer spectrum?
A:-Electron density
B:-Transition energy
C:-Intensity of light
D:-Alll of these
Correct Answer:- Option-A
Question31:-The confinement in a Quantum wire is
A:-0D
B:-2D
C:-1D
D:-3 D
Correct Answer:- Option-B
Question32:-The expansion of 'SPR' is
A:-Surface Plasmon Resonance
B:-Surface Proton Resonance
C:-Structural Plasmon Resonance
D:-Structural Proton Resonance
Correct Answer:- Option-A
Question33:-Quantum dots are
A:-1 dimensional
B:-0 dimensional
C:-3 dimensional
D:-2 dimensional
Correct Answer:- Option-B
Question34:-Dip-Pen nanolithography works with the help of
A:-TEM
B:-SEM
C:-AFM
D:-EDAX
Correct Answer:- Option-C
Question35:-The chemical bonds of carbon nanotube is composed of
4:-` "50" 00105
8:- "5972" bonds
:- "5०१73" bonds
D:-none of these
Correct Answer:- Option-B
Question36:-The polar groups in cation-exchange resins are
A--acidic
B:-basic
C:-neutral
D:-none of these
Correct Answer:- Option-A
Question37:-In Chromatography *R_f* value
A:- (text {Distance moved by the solute})/(text {Distance moved by the solvent})*
B:-*(text {Distance moved by the solvent})/(text {Distance moved by the solute})** `
C:-'(text {Distance moved by the solute})/(text {Distance moved by the solution})*
D:-* (text {Distance moved by the solution})/(text {Distance moved by the solute})*
Correct Answer:- Option-A
Question38:-In which of the following techniques the mobile phase is a gas?

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ASSISTANT RESEARCH OFFICER CHEMISTRY : Video