General Science Questions and Answers

General Knowledge

General Science Questions and Answers


    Chemical formula for water is

  • A)NaAlO2
  • B)H2O
  • C)Al2O3
  • D)CaSiO3
Answer: B


    The gas usually filled in the electric bulb is

  • A)nitrogen
  • B)hydrogen
  • C)carbon dioxide
  • D)oxygen
Answer: A


    Washing soda is the common name for

  • A)Sodium carbonate
  • B)Calcium bicarbonate
  • C)Sodium bicarbonate
  • D)Calcium carbonate
Answer: A


    Quartz crystals normally used in quartz clocks etc. is chemically

  • A)silicon dioxide
  • B)germanium oxide
  • C)a mixture of germanium oxide and silicon dioxide
  • D)sodium silicate
Answer: A


    Which of the gas is not known as green house gas?

  • A)Methane
  • B)Nitrous oxide
  • C)Carbon dioxide
  • D)Hydrogen
Answer: D