Aerobic biological oxidation ponds used for the purification of polluted water__________________?
A. Destroys/removes pathogen from the sewage
B. Is not very effective for non-biodegradable substances (e.g. ABS) containing…
Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?
A. Photochemical smogB. Peroxyacetyl nitrate (PAN) or methyl nitrite
Industrial workers working in leather tanning & manufacturing units are prone to suffer from ___________________?
A. Respiratory ailments (e.g. bronchitis)B. Skin diseases (e.g. dermatitis)
D. Blurred vision…