Automobiles
Petrol on combustion produces carbon monoxide, hydrocarbons, nitrogen oxides, aldehydes, sulphur compounds, organic acids and ammonia and carbon particles. Incomplete combustion of petrol produces a hydrocarbon, 3,4 benzpyrene. There is more pollution during accelerati..
Fly Ash
This pollutant is released into the atmosphere from the combustion of high-ash fossil fuels, such as those used in thermal power stations, smelters and mining operations. It contains burnt particles of the fuel..
Question 6
Question: Explain briefly why man is trying to use more and more of solar energy in place of petroleum or coal. Answer: Petroleum and coal are non-renewable natural resources of energy. When they are burnt, they release energy but they cannot be got back and they als..
Polynuclear Aromatic Hydrocarbons and their Toxicity
Polynuclear aromatic hydrocarbons are a class of compounds found throughout the environment in the air, in the soil and in the water. They are found naturally in crude oil, coal tar, and coal. They are man-made during incomplete combustion of hydrocarbons like ..
Burning of Fossil Fuels
Fossil fuels include petroleum and coal. Burning of coal produces a lot of smoke and dust whereas burning of petrol mainly produces sulphur dioxide. In addition to these, the pollutants include carbon monoxide (CO), carbon dioxide (CO 2 ), nitrogen oxides, hydrocarbons..
Energy Generation
Generating energy to meet the demands of human being is one of the greatest interferences of human beings on the nature. Any form of generating energy leads to imbalance in natural eco-systems. Some of such imbalances will cause pollution. Out of important methods of energy generation, la..
Energy Generation
Energy Generation - Generating energy to meet the demands of human being is one of the greatest interferences of human beings on the nature. Any form of generating energy leads to imbalance in natural eco-systems. Some of such imbalances will cause pollution. Out of important methods of e..
Classical smog
The word smog was used initially to describe 'smoke fog' prevalent in England, in early and middle of the last century. Coal was then widely used to heat homes and as an industrial fuel. London is famous for its smoke fog of 1952 when 4000 people died from its effects over a four-day per..
Addition of carbon dioxide to air
1. By the respiration of living organisms. 2. By the combustion of carbon present in carbon compounds, such as wood, coal, coke, petroleum oil, vegetable oil, alcohol etc. 3. By the decay of organic matter, like the dead bodies of animals and plants. 4. From chemical industry su..
Development of dense-phase carbon dioxide
This is a recently developed chemical product that displays remarkable characteristics. It is a super critical carbon dioxide that displays an ability to clean everything from the plutonium pits to semiconductor wafer as well as clothes. It can also be used as recyclable solvent and finds number o..
Result
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