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Social & Preventive Medicine Environment and health 483d3b98

Increased level of which of the following indicates contamination of water

A
Nitrates
B
Nitrites
C
Ammonia
D
Chloride
High-Yield Explanation
Ammonia in water is an indicator of bacterial, sewage and animal pollution. Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 779
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