Water is a ________


Water is a compound of hydrogen and oxygen. Water is a pure substance and not a mixture. Water forms whenever two or more atoms form chemical bonds with each other. The chemical formula for water is that is each molecule of water consists of one oxygen atom chemically bonded to two hydrogen atoms.

Water Sources

There are different water sources. Around 97 per cent of the surface of the Earth is covered with water. The three primary water sources are

  • Rainwater
  • Groundwater – Water sources such as Wells and Springs provide this.
  • Surface water involves various water bodies, such as the sea, oceans, reservoirs, rivers, streams, ponds, lakes and tanks.

Uses of water

  • The numerous uses of water in different fields are given below:
  • Water provides nutrients to all the cells in our body and oxygen to our brain.
  • Water helps the body absorb and assimilate foods, proteins, amino acids, glucose and other compounds.
  • Sewage washes away toxins and waste. Water helps to regulate body temperature.
  • Domestic uses of water
  • Water use for agriculture
  • Industrial uses of water.



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