Beyond what concentration of H₂S in air, acute danger to human life exists? Options: A . &nbsp50 ppm B . &nbsp100 ppm C . &nbsp300 ppm D . &nbsp700 ppm

Beyond what concentration of H₂S in air, acute danger to human life exists?

Question

Beyond what concentration of H₂S in air, acute danger to human life exists?

Options:

A . 50 ppm

B . 100 ppm

C . 300 ppm

D . 700 ppm

Answer: Option D

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