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Question

What are the heavy metals that cause water pollution?


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Solution

The heavy metals that cause water pollution are as follows:

  1. Mercury (Hg): It is a chemical and by-product released by several chemical industries. This is a highly toxic substance that causes various neurological diseases if it mixes with water.
  2. Lead (Pb): It is produced by the lead-related industries when this is released into the water. It causes damage to kidneys and the brain and also affects aquatic animals.
  3. Copper, Cadmium, and Fluoride: Copper, cadmium, and arsenic are also pollutants and toxic to humans. High levels of fluoride in water cause stiff bone joints and bending of legs outwards.

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