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  4. Large quantities of carbon monoxide, produced by gas heaters, charcoal stoves, coal mines etc., usually prove fatal as the pollutant

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Q. Large quantities of carbon monoxide, produced by gas heaters, charcoal stoves, coal mines etc., usually prove fatal as the pollutant

AMUAMU 1997

Solution:

: Carbon monoxide, produced by gas heaters, charcoal stoves, coal mines etc. corubines with haemoglobin, producing carboxyhaemoglobin or $ COHb $ . At 50 ppm, CO converts 7.5% of haemoglobin into carboxy-haemoglobin within 8 hours. It impairs oxygen transport resulting in suffocation, giddiness, headache, decreased vision, cardiovascular malfunction and asphyxia.