General Science Questions and Answers


General Knowledge

General Science Questions and Answers


    11)

    Bromine is a

  • A)black solid
  • B)red liquid
  • C)colourless gas
  • D)highly inflammable gas
Answer: B

    12)

    The hardest substance available on earth is

  • A)Gold
  • B)Iron
  • C)Diamond
  • D)Platinum
Answer: C

    13)

    The variety of coal in which the deposit contains recognisable traces of the original plant material is

  • A)bitumen
  • B)anthracite
  • C)lignite
  • D)peat
Answer: D

    14)

    Tetraethyl lead is used as

  • A)pain killer
  • B)fire extinguisher
  • C)mosquito repellent
  • D)petrol additive
Answer: D

    15)

    Which of the following is used as a lubricant?

  • A)Graphite
  • B)Silica
  • C)Iron Oxide
  • D)Diamond
Answer: A