Question

82. Which of the following element is
responsible for groundwater
pollution in various states
O Chlorine
Fluoride
O Chemicals
O None of the above​

Answer 1

Answer:

the answer is (d) none of the above

Answer 2

For groundwater pollution in various states, fluoride is responsible.

• In groundwater used for drinking fluoride occurs commonly, but typically at concentrations less than the drinking-water standard for human health.
• The occurrence of fluoride in groundwater is due to weathering and leaching of fluoride-bearing minerals from rocks and sediments. Fluoride is beneficial in promoting dental health by reducing dental caries when it is ingested in small quantities (<0.5 mg/L), whereas higher concentrations (>1.5 mg/L) may cause fluorosis.

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