Which one is the most dense liquid from the below?
- (A) Water
- (B) Gasoline
- (C) Chloroform
- (D) Alcohol
- (C) Chloroform
Which of the following can be recycled many times?
- (A) Plastic
- (B) Wood
- (C) Organic materials
- (D) Aluminum
- (D) Aluminum
Ice floats on the surface of water because:
- (A) Density of water is less than ice
- (B) Density of water is greater than ice
- (C) Both (A & B) situation may be
- (D) Density of water is equal to density of ice
- (B) Density of water is greater than ice
Boiling of eggs is a:
- (A) Physical change
- (B) Physiological change
- (C) Chemical change
- (D) Morphological change
- (C) Chemical change
Which is used as moderator in atomic reactor?
- (A) Water
- (B) Uranium
- (C) Platinum
- (D) Heavy water
- (D) Heavy water
The lightest particle of the matter is:
- (A) Electron
- (B) Neutron
- (C) Proton
- (D) Deuteron
- (A) Electron
Which one of the following is the most penetrating?
- (A) Protons
- (B) Electrons
- (C) Neutrons
- (D) Alpha particles
- (C) Neutrons
Which one of the following results in the discovery of proton?
- (A) Cathode rays
- (B) Canal rays
- (C) X-rays
- (D) Alpha rays
- (B) Canal rays
Which gas is used for refrigeration?
- (A) Chlorine
- (B) Ammonia
- (C) Phosphine
- (D) Carbon dioxide
- (B) Ammonia
Which among the following is a positively charged particle emitted by a radioactive element?
- (A) Beta rays
- (B) Alpha rays
- (C) Gamma rays
- (D) Cathode rays
- (B) Alpha rays
Pages: Page 1, Page 2, Page 3, Page 4, Page 5, Page 6, Page 7, Page 8, Page 9, Page 10, Page 11, Page 12, Page 13, Page 14, Page 15, Page 16, Page 17, Page 18, Page 19, Page 20, Page 21, Page 22, Page 23, Page 24, Page 25, Page 26, Page 27, Page 28, Page 29, Page 30, Page 31, Page 32, Page 33, Page 34, Page 35, Page 36, Page 37, Page 38, Page 39, Page 40, Page 41