General Science Questions and Answers


General Knowledge

General Science Questions and Answers


    36)

    Which of the following was to be discovered first in the chromospheres of the sun?

  • A)Krypton
  • B)Xenon
  • C)Neon
  • D)Helium
Answer: D

    37)

    Which of the following is in liquid form at room temperature?

  • A)Lithium
  • B)Sodium
  • C)Francium
  • D)Cerium
Answer: C

    38)

    Sodium metal is kept under

  • A)petrol
  • B)alcohol
  • C)water
  • D)kerosene
Answer: D

    39)

    Which of the following are the ingredients of gun metal?

  • A)Iron, Zinc, Titanium
  • B)Iron, tin
  • C)Iron, Brass, Tin
  • D)Copper, Tin
Answer: D

    40)

    From which mineral is radium obtained?

  • A)Rutile
  • B)Haematite
  • C)Limestone
  • D)Pitchblende
Answer: D