(A) It lowers surface tension of the solution
(B) It makes solution very hot
(C) Absorbs dirt from clothes
(D) None of the above
Why it is necessary to take rest after work?
(A) To get cold
(B) To neutralize poisons that is produced during work
(C) To relax to brain
(D) All of the above
“A metal but in liquid form” is the characteristics of?
(A) Water
(B) Oil
(C) Mercury
(D) None of the above
Who first of all did some experiments with gravity?
(A) Galileo
(B) Newton
(C) Einstein
(D) Michael Vonn
Whale is a?
(A) Shark
(B) Fish
(C) Mammal
(D) Bird
Any movement of object produces?
(A) Thermal energy
(B) Potential energy
(C) Kinetic energy
(D) None of the above
What is the original colour of the sky?
(A) Black
(B) Blue
(C) Red
(D) Green
At night sky looks?
(A) Black
(B) Blue
(C) Red
(D) Green