Page:9
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'CHEMIST IN FACTORIES AND BOILERS ENGLISH ' And exam conducted in the year 2020. And Question paper code was '009/2020'. 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.
68,
69.
70.
71.
72.
78.
74.
5.
76.
Which is true about DDT?
A fertilizer
Non-Biodegradable pollutant
micro organisms
fishes
0
00,
Nylon-6
PTFE
Acrolein
Ethyl acrylate
Nitrogen
Hydrogen
Alkyl Benzene Sulphonate
Sodium Stearate
Cellulose Acetate
Cellulose Nitrate
Amyl oxalate
{A) Green house gas ற
{C) Bio degradable pollutant 0)
Sewage water is purified by :
(ಗ) aquaticplants ற
© टापः യ
The greatest affinity for haemoglobin is shown by which of the following?
@& 0 08
© o, 0)
The polymer obtained from caprolactum is :
(ಯ) Terylene (8)
)0 Nylon-66 (D)
Plexi glass is a polymer of :
(മ Methyl methacrylate ௩
{C) Acrylonitrile D)
Name a gas that causes Green house effect :
4) Oxygen (0)
)0 Carbon di oxide യ)
Which one of the following is a hard detergent ?
(ಹ) Potassium Pthalate ற
{C) Lauryl Ethoxylate (0)
Gun cotton is :
{A) Cellulose Hydrochloride ற
{C) Cellulose Chloride യ)
Flavour of pineapple can be obtained by mixing the additive :
(A} Amyl acetate க
(@ ௩ Butyrate D)
11
Ethyl Acetate
009/2020
[P.T.0.]