General Science

1. Creation of something from nothing is against the law of
Question Asked : Bihar Police Sub Inspector Prelims Exam 2018

(A) constant proportions
(B) conservation of mass-energy
(C) multiple proportions
(D) conservation of momentumt

2. Itching due to insect bite is caused by which Acid
Question Asked : Bihar Police Sub Inspector Prelims Exam 2018

(A) Formic Acid
(B) Acetic Acid
(C) Lactic Acid
(D) Maleic Acid