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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HSA Physical Science (Malayalam Medium) NCA' And exam conducted in the year 2019. And Question paper code was '055/2019/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.
C-mB cos ¢
D:-1/m x ظط
Correct Answer:- Option-A
Question52:-Cause for air pollution is
A:-emissions from vehicles
B:-combustion of fossil fuel
C:-Poisonous gas
D:-none of these
Correct Answer:- Option-A
Question53:-'The amount of dissolved gas in a liquid is proportional to its partial pressure above the liquid'-the
law state this is
A:-Henry's Law
B:-Feymen's Law
C:-Laplace's Law
D:-Raoult's Law
Correct Answer:- Option-C
Question54:-Adding common ion to a solution
A:-increase solubility
B:-decreases solubility
C:-neither increases nor decreases solubility
D:-increases reaction coefficient
Correct Answer:- Option-B