Environmental pollution is causing a serious threat to living as well

1.	Environmental pollution is causing a serious threat to living as well as non-living organisms on the earth. Due to combustion of fossil fuel(wood,petrol,oil,etc.),a no. Of gas like CO, oxide of nitrogen,oxides of sulphur,hydrocarbons,etc.enter into the atmosphere which are poisonous and harmful.every country has made strict laws for industries as well as for individual citizen to keep pollution under control. (i) why it is advised not to sleep with burning coke an githi in a closed room on winter nights?How is poisoning caused and what step should be taken immediately as a part of the treatment? (ii) How does the combustion of motor fuels cause pollution of the atmosphere?What step is taken by the manufactures of these vehicles to check this pollution? (iii) name one natural and one human activity by which SO2 enter into the atmosphere? How does it affect the plants and damages the building?What step should be taken to check this pollution?
Answer» (i) In the presence of insufficient oxygen in the closed room,coke burns to produce a lot of carbon monoxide.It combine with haemoglobin to form carboxyhemoglobin. Thus,the function of haemoglobin to carry oxygen to diff. Body cell is inhibited this causes oxygen starvation leading to coma and death. (ii) When motor fuel burns, they produces high temp. At which N₂ and O₂ of the air combine to form oxides of N₂ which are toxic and affect respiratory system and damages the lungs. (iii) SO₂ enters into atmosphere through volcanic eruption and through combustion of sulphur containing coal and fuel oil in thermal power plants.Its presence around the plants slows down the formation of chlorophyll resulting in loss of green colour. it dissolves in rain water forming sulphuric acid which attack marbel building like taj in Agra.

Environmental pollution is causing a serious threat to living as well as non-living organisms on the earth. Due to combustion of fossil fuel(wood,petrol,oil,etc.),a no. Of gas like CO, oxide of nitrogen,oxides of sulphur,hydrocarbons,etc.enter into the atmosphere which are poisonous and harmful.every country has made strict laws for industries as well as for individual citizen to keep pollution under control. (i) why it is advised not to sleep with burning coke an githi in a closed room on winter nights?How is poisoning caused and what step should be taken immediately as a part of the treatment? (ii) How does the combustion of motor fuels cause pollution of the atmosphere?What step is taken by the manufactures of these vehicles to check this pollution? (iii) name one natural and one human activity by which SO2 enter into the atmosphere? How does it affect the plants and damages the building?What step should be taken to check this pollution?

Answer»

(i) In the presence of insufficient oxygen in the closed room,coke burns to produce a lot of carbon monoxide.It combine with haemoglobin to form carboxyhemoglobin. Thus,the function of haemoglobin to carry oxygen to diff. Body cell is inhibited this causes oxygen starvation leading to coma and death.

(ii) When motor fuel burns, they produces high temp. At which N₂ and O₂ of the air combine to form oxides of N₂ which are toxic and affect respiratory system and damages the lungs.

(iii) SO₂ enters into atmosphere through volcanic eruption and through combustion of sulphur containing coal and fuel oil in thermal power plants.Its presence around the plants slows down the formation of chlorophyll resulting in loss of green colour. it dissolves in rain water forming sulphuric acid which attack marbel building like taj in Agra.

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