Sulphur example sentences

The air around the city of Agra, where the Taj Mahal is located, contains fairly high levels of sulphur and nitrogen oxides.They are represented by R–OH where, R is CnH2n+ Alcohols on heating with concentrated sulphuric acid form alkenes with the elimination of one water molecule.Some of the acids like oxalic acid, sulphuric acid and phosphoric acids have more than one ionizable proton per molecule of the acid.When H2S, instead is the hydrogen donor for purple and green sulphur bacteria, the 'oxidation' product is sulphur or sulphate depending on the organism and not O Hence, he inferred that the O2 evolved by the green plant comes from H2O, not from carbon dioxide.It then decomposes to ferric oxide (Fe2O3), sulphur dioxide (SO2) and sulphur trioxide (SO3).The most common species, sulphur dioxide, is a gas that is poisonous to both animals and plants.These gases react with the water vapour present in the atmosphere to form sulphuric acid and nitric acid.Oxides of sulphur are produced when sulphur containing fossil fuel is burnt.When these are burnt, the products are carbon dioxide, water, oxides of nitrogen and oxides of sulphur.It is interesting to note that in the process of generation of nitronium ion, sulphuric acid serves as an acid and nitric acid as a base.It has been reported that even a low concentration of sulphur dioxide causes respiratory diseases e.g., asthma, bronchitis, emphysema in human beings.About 98 per cent of the total crust of the earth is composed of eight elements like oxygen, silicon, aluminium, iron, calcium, sodium, potassium and magnesium (Table 1), and the rest is constituted by titanium, hydrogen, phosphorous, manganese, sulphur, carbon, nickel and other elements.Tropospheric pollution is basically due to various oxides of sulphur, nitrogen, carbon, halogens and also due to particulate pollutants.Since coal and petroleum have been formed from bio–mass, in addition to carbon, these contain hydrogen, nitrogen and sulphur.We should use less vehicles driven by fossil fuels; use less sulphur content fossil fuels for power plants and industries.