General Science : General Knowledge Questions and Answers

Q51. What is the solid crust or the hard top layer of the earth called?

[A] Biosphere

[B] Hydrosphere

[C] Lithosphere

[D] Mantle

Q52. In fireworks, the green flame is produced because of

[A] Mercury

[B] Barium

[C] Sodium

[D] Potassium

Q53. The weight of an object will be minimum when it is placed at?

[A] The Equator

[B] The South Pole

[C] The center of the Earth

[D] The North Pole

Q54. The moon is an example of a ____________ object.

[A] transparent

[B] translucent

[C] non-luminous

[D] luminous

750+ General Science Quiz Questions & Answers

Q55. What is the scientific name for washing soda?

[A] Calcium carbonate

[B] Calcium bicarbonate

[C] Sodium carbonate

[D] Sodium bicarbonate

Q56. The mass of the earth is___________

[A] 6×1024kg

[B] 6×1025kg

[C] 6×1022kg

[D] 6×1023kg

Q57. What does airbag, used for safety of car driver, contain?

[A] Sodium nitrite

[B] Sodium bicarbonate

[C] Sodium peroxide

[D] Sodium azide

Q58. The outermost layer of the sun is called

[A] Radiative Zone

[B] Corona

[C] Transition Region

[D] Chromosphere

Q59. What happens when some charge is placed on a soap bubble?

[A] Its radius increases

[B] The bubble Collapses

[C] The bubble expands

[D] Its radius decreases

Q60. What is the first step in the refining of petroleum?

[A] Drilling

[B] Cracking

[C] Distillation

[D] Cooling