Water is a universal solvent and is made up of hydrogen and oxygen molecule.
Due to improper dumping of waste the water resources like lakes, rivers, etc. get polluted.
Such water requires treatment by cleansing agents before they are released into the water bodies.
Cleansing agents:
Cleansing agent is a substance that removes dirt and unwanted substances from the water.
Natural cleansing agents such as white vinegar, and lemon water can be used to clean water as they are non-harmful to the environment and to humans as well.
Chlorine compounds are used widely as cleansing agents in the treatment of wastewater.