Who discovered the atom bomb?
(A) Atohan
(B) Albert Einstein
(C) Kepler
(D) Rutherford
The nature of the path traveled by the particle is determined by?
(A) by acceleration
(B) with velocity
(C) by displacement
(D) none of the above
What do players use for instant power?
(A) Sucrose
(B) Vitamin C
(C) salt
(D) Milk
Hypo which is used in photography, chemically called?
(A) Silver Bromide
(B) sodium thio sulfate
(C) sodium phosphate
(D) sodium nitrate
Gun powder is a mixture of?
(A) soil and TNT
(B) sulphur, clay and charcoal
(C) saltpeter, sulfur and charcoal
(D) TNT and charcoal
Which substance is added to make natural rubber hard and bouncy?
(A) Petrol Jelly
(B) sulfuric acid
(C) sulfur
(D) Sponge
Which acid is used in making battery?
(A) sulfuric acid
(B) nitric acid
(C) hydrochloric acid
(D) acetic acid
Filling helium in balloons is considered more useful than hydrogen, because?
(A) it is cheap
(B) less heavy
(C) more flying ability
(D) it does not form explosive mixture with air
Which element is found the most in minerals and rocks?
(A) Carbon
(B) Silicon
(C) Hydrogen
(D) Boron
Vinegar is acidic in nature due to
(A) Citric acid
(B) sulfuric acid
(C) hydrochloric acid
(D) acetic acid
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