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  1. The blue baby pollution disease is due to the excessive presence of which of the following in drinking water ?
    1. Fluoride
    2. Chloride
    3. Nitrate
    4. Arsenic
Correct Option: C

It is believed that blue baby syndrome is caused by consumption of water contaminated by high levels of nitrate. It results in decreased oxygen carrying capacity of haemoglobin in babies leading to death.



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