Environmental Chemistry Set 2

Bends ✘ Anoxia ✘ Asthma ✘ Artificial respire ✔ NULL ✔ NULL NULL

✘ CO ✘ ✘ ✔ NULL ✔ NULL NULL

Air ✘ Water ✘ Soil ✘ Nostoc ✔ NULL ✔ NULL NULL

London smog is oxidising in nature ✘ London smog contains dorplets ✘ London smog is formed in winter ✘ London smog causes bronchitis ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

Biodegradable pollutant ✘ Non biodegradable pollutant ✘ Not a pollutant ✘ An antibiotic ✔ NULL ✔ NULL NULL

Oxides of sulphur ✘ Oxides of nitrogen ✘ Carbon monoxide ✘ Hydrogen sulphide ✔ NULL ✔ NULL NULL

Oxides of nitrogen ✘ Oxides of carbon ✘ Oxides of sulphur ✘ None of these ✔ NULL ✔ NULL NULL

Less use of insecticides ✘ Proper disposal of organic wastes, sewage and industrial effluents ✘ Shifting of factories out of the residential area ✘ All of the above ✔ NULL ✔ NULL NULL

Allergens ✘ Carcinogens ✘ Asthematic agents ✘ None of these ✔ NULL ✔ NULL NULL