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The most abundant element in the earth's crust is ?

  • Aluminium
  • Nitrogen
  • Silicon
  • Oxygen
Similar Questions :

1. Ozone is :

  • Non-magnetic
  • Paramagnetic
  • Ferromagnetic
  • Diamagnetic

2. The main chemical constituent of clay is ?

  • aluminium silicate
  • zeolites
  • aluminium borosilicate
  • silicon oxide

3. Acid rain is due to air pollution by ?

  • Carbon dioxide
  • Carbon monoxide
  • Methane
  • Nitrous oxide and Sulphur dioxide

4. Which one of the following metals does not react with water to produce Hydrogen?

  • Cadmium
  • Lithium
  • Potassium
  • Sodium

5. How many different oxides are formed by nitrogen ?

  • two
  • three
  • four
  • five
Read more from - Chemistry Questions Answers
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  • pawan parmar 9 years ago

    most abundant element in earth crust is oxygen.