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  • Life depends on water.
  • Water is essential to all life forms.
  • Water is the universal solvent..
  • The normal in the water is its abnormality.

Throughout history and the different cultures, water has had various mystical meanings. It has been the focus of many philosophical essays (such as Thales and Heraclitus).

It is an essential element in different religions (Tao, Christianity).
Formerly, it was considered one of the four elements, but eighteenth-century chemists proved that water is a compound of hydrogen and oxygen.
Although water has been and remains the main subject of many scientific researches, its true essence has not been discovered yet.
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The continued interest in water has resulted in the emergence of an entire group of "water sciences", for example:

  • Meteorology
  • Hydrology (surface and groundwater)
  • Limnology (freshwater biology)
  • Oceanography
  • Marine Biology

Water is odorless, tasteless, colorless in small quantities and greenish in large masses.
It is a poor conductor of heat and electricity.
Water refracts light.
It dissolves many substances
It consists of HYDROGEN (11'19 parts by weight and 2 by volume) and OXYGEN (88'81 parts by weight and 1 by volume).
When it is decomposed by an electric current (electrolysis of water) the mixture of H and O is triggered.
Water is obtained by distillation.


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