Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'DAIRY FARM INSTRUCTOR (SR FOR ST) - KERALA DAIRY DEVELOPMENT' And exam conducted in the year 2020. And Question paper code was '11/2020/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.
D:-Cu and Zn
Correct Answer:- Option-C
Question29:-Lime water contains
A:-Sodium hydroxide
B:-Calcium hydroxide
C:-Sodium Carbonate
D:-Calcium Chloride
Correct Answer:- Option-B
Question30:-Temporary Hardness of water is due to
A:-calcium Sulphate
B:-Calcium bicarbonate
C:-Magnesium Sulphate
D:-Calcium Chloride
Correct Answer:- Option-B
Question31:-Half life period of Carbon-14 used to calculate the age of fossils
A:-5670 years
B:-5760 years
C:-5680 years
D:-5780 years
Correct Answer:- Option-B
Question32:-Alcohol reacts with acid to form
A:-ether
B:-Phenol
:-butene
D:-ester
Correct Answer:- Option-D
Question33:-The chemical substance used to reduce body temperature is called
A:-Anitipyretic
B:-Analgesic
:-Antiseptic
D:-Anitibiotic
Correct Answer:- Option-B
Question34:-The alkali metal found in Banana
A:-Pottassium
Sodium
C:-Calcium
D:-Magnesium
Correct Answer:- Option-A
Question35:-The action of water on Calcium Carbide gives
A:-acetaldehyde
-benzene
C:-Acetylene
D:-Ethanal
Correct Answer:- Option-C
Question36:-The fuel gas produced when carbon monoxide combines with Nitrogen
A:-Water Gas
B:-Synthesis Gas
C:-Producer Gas
D:-Phosgene Gas
Correct Answer:- Option-C
Question37:-Ultra pure metals like zirconium and Titanium are refined by
A:-Van Arkel method
-Vapour phase refining
C:-Monds process
D:-Zone refining
Correct Answer:- Option-A
Question38:-Letharge is an ore of
A:-Lead
B:-Boron