General Science MCQ Questions and Answers Pdf 
       Question: 1 
       Table salt (Nacl) is a product of: 
       (A) Strong acid and weak base 
       (B) Strong acid and strong base 
       (C) Weak acid and strong base 
       (D) Weak acid and weak base 
       Ans: C 
       Weak acid and strong base 
       Question: 2 
       Vulcanization is a 
       (A) Process of hardening of rubber by heating it with sulphur 
       (B) Process connected with the making of voltaic cells 
       (C) Method of degrade polymers 
       (D) Science of studying volcanoes 
       Ans: A 
       Process of hardening of rubber by heating it with sulphur 
       Question: 3 
       Glycol is added to aviation gasoline because it 
       (A) Reduces consumption of petrol 
       (B) Prevents freezing of petrol 
       (C) Increases efficiency of petrol 
       (D) Reduces evaporation of petrol 
       Ans: B 
       Prevents freezing of petrol 
       Question: 4 
       Which one among the following will you put into pure water in order to 
       pass electric current through it? 
       (A) Sugar 
       (B) Mustard oil 
       (C) Lemon juice 
       (D) Kerosene 
       Ans: C 
       Lemon juice 
       Question: 5 
       A radioactive substance has a half life of four months. Three –fourth of the 
       substance would decay in 
       (A) 3 months 
       (B) 6 months 
       (C) 8 months 
       (D) 12 months 
       Ans: C 
       8 months