What health condition is caused by nitrate levels in water exceeding 50 ppm?

Chemical Environmental Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Chemical Environmental Engineeringchemical-engineering › chemical-environmental-engineering-chemical-engineering
Published
11 Mar 2019
Last updated
28 May 2026

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Explanation

Elevated nitrate concentrations in drinking water above 50 ppm can lead to methemoglobinemia, a condition where oxygen transport in the blood is impaired. The other options—gastroenteritis, asphyxiation, and tooth decay—are not directly caused by nitrate contamination.

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