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Question

Black foot disease is due to ground water contamination of

A
Nitrate
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B
Fluoride
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C
Arsenic
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D
Mercury
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Solution

The correct option is A Arsenic
In China (Taiwan) when the contaminant like arsenic mixed with drinking-water shows adverse effects. It causes a severe disease of the blood vessels that leads to gangrene is also known as black foot disease. It is an endemic disease to the south western coast of Taiwan.
Therefore, the correct answer is option C.

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