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Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ? | |
A. | Benzopyrene [Wrong Answer] |
B. | Peroxyacyl nitrate [Wrong Answer] |
C. | Carbon monoxide [Correct Answer] |
D. | Sulphur dioxide [Wrong Answer] |