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    Q1 : From which mineral is radium obtained?

  • Rutile
  • Haematite
  • Limestone
  • Pitchblende

    Q2 : Carbon, diamond and graphite are together called

  • Isomorphs
  • Allotropes
  • Isomers
  • Isotopes

    Q3 : Non stick cooking utensils are coated with

  • Teflon
  • PVC
  • Black Paint
  • Polystyrene

    Q4 : The element common to all acids is

  • H
  • C
  • S
  • O

    Q5 : Heavy water is

  • Deuterium oxide
  • PH7
  • Rain Water
  • tritium oxide

    Q6 : The hardest substance is

  • Gold
  • Iron
  • Diamond
  • Platinum

    Q7 : Which of the gas is not known as green house gas?

  • Methane
  • Nitrous oxide
  • Carbon dioxide
  • Hydrogen

    Q8 : The gas usually filled in the electric bulb is

  • Nitrogen
  • Hydrogen
  • Carbon Dioxide
  • Oxygen

    Q9 : Which of the following is used in pencils?

  • Graphite
  • Silicon
  • Charcoal
  • Phosphorous

    Q10 : Which of the following is a non metal that remains liquid at room temperature?

  • Phosphorous
  • Bromine
  • Chlorine
  • Helium