Practice Test | Kullabs.com
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  • Non-metals are ______ conductor of electricity or heat.

    Partial
    Good
    Perfect
    Bad
  • Which one is not the ore of silicon?

    Dolmite
    Feldspar
    Silica
    Mica
  • Which one is not the ore of sulphur?

    Mica
    Dolmite
    Gypsum
    Quartz
  • Atomic no. of sulphur is ______.

    18
    15
    17
    16
  • Atomic no. of silicon is ______.

    18
    14
    15
    16
  • Which one of the following is the most abundant electro-positive element in the earth s crust?

    Phosphorous
    Iron
    Silicon
    Calcium
  • Silicon is a _____.

    Metal
    Non-metal
    Metalloid
    Semi-metal
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