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Environmental Chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEnvironmental Chemistry2 Marks
Question
Why is hand pump water not considered as drinking water in these days? Explain.
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Answer

Hand pump water is ground water. It is getting contaminated by fertilizers, pesticides, herbicides which are soluble in rain water and pass through the soil and enter underground water and make it unfit for drinking. Presence of Arsenic, excess of fluoride ions, heavy metals also make it unfit for drinking.

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