What is water

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what is water

 Wed, 12/23/2020 - 17:07

 Author: sanjeev sir






 Water is a common chemical substance. The term water is used only for its liquid state. Water has 3 conditions. Liquid is solid, ie ice and water vapor.  Water is an organic compound made up of oxygen and hydrogen, it consists of 01 molecules of oxygen and 02 molecules of hydrogen, hence its scientific name is H2O. Water covers 71% of the Earth's surface [1]. On Earth,  It is found mostly in oceans and other large water bodies, with 1.6 percent of the water in underground water sources and 0.001 percent in water as vapor, clouds (composed of suspended solid and liquid water particles in the air), and precipitation.  Goes. [2]  97% of the surface water is saline sea, 2.4% glacier and polar ice caps, and 0.6% other surface water sources such as rivers, lakes and ponds.


 Water passes through the cycle of continuous evaporation or evaporation (emission of water vapor), precipitation, and effluent, usually reaching the ocean.


 Clean, fresh drinking water is essential for humans and other life.  The achievement of safe drinking water has steadily improved during the last decades in almost every part of the world. [3] [4]  However, some observers have estimated that by 2025 more than half of the world's population will be facing water-based risks. [6]  Water plays an important role in the world economy, as it acts as a solvent for most varieties of chemical substances, and industrial cooling and processing.

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