In a deliberatively provocative article in the Swedish newspaper Dagens Nyheter in October 1967, entitled “An Insidious Chemical Warfare Among the Nations of Europe”, the Swedish scientist Svante Odén (Fig. Acid deposition includes acidic rain as well as other forms of acidic wet deposition—such as snow, sleet, hail, and fog (or cloud water). Go through this article to know what is acid rain, and how acid rain occurs. Acid rain - Acid rain - Chemistry of acid deposition: Acid rain is a popular expression for the more scientific term acid deposition, which refers to the many ways in which acidity can move from the atmosphere to Earth’s surface. Also know about the adverse effects of acid rain on India's pride, the Taj Mahal. In the polluted regions of our planet, acid rain is caused by nitric and sulfuric acids. Acid rain was first recognized by Ducros (1845) and subsequently described by the English chemist Robert Angus Smith (Smith, 1852) whose pioneering studies linked the sources to industrial emissions and included early observations … The molecular changes in-duced in plants due to the effect of acid rain or acid induced orientation or chloroplast streaming remains largely … Acid rain: Simultaneous observations of a natural marine background and its acidic sulfate aerosol precursor R. J. Vong Environmental Engineering and Science Program, Department of Civil Engineering, University of Washington, Seattle Acid rain (AR) hasbeen reported to induce stress in plants affecting its productivity, growth, flowering and physiology. Acid rain is the result of the burning of fossil fuels, which release nitrogen oxides, and sulfur dioxide into the atmosphere. Acid rain is one of the most dangerous abiotic stressor, which negatively affects the plant growth and development. Classify each of the following statements as an observation or a hypothesis: A child with a high fever and a … The discovery and the early acid rain history. While the “Acid Rain Teacher’s Guide” focuses mainly on the issue of acid rain, the EMISSIONS that result from the burning of fossil fuels have many other environmental consequences in addition to causing acid rain. Chemicals like NOX, produced by the burning of fossil fuels, combine with other chemicals in the SO2 and NOx become acids when they enter the atmosphere and react with water vapor. Write a key to identify the following different substances: chalk, marble, slate, lime‑cemented sandstone, iron, copper, zinc, lead. Acid rain was discovered in the 19th century by Robert Angus Smith, a pharmacist from Manchester (England), who measured high levels of acidity in rain falling over industrial regions of England and contrasted them to the much lower levels he observed in less polluted areas near the coast. It causes lots of damage everytime. Classify each of the following statements as an observation or a hypothesis: Marble statues undergo corrosion in acid rain. It has become a serious topic around the globe in the 21st century. When the two compounds react in the atmosphere, with water, oxygen, and oxidants, they form acid rain, or acid deposition. ACID RAIN . Acid rain was always a serious problem. Acid rain, also known as acid deposition, is caused by emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) from power plants, cars and factories. Place a sample of each substance in a separate dish so that part of it is in the acid rain and part is not. Pour a small amount of ‘acid rain’ into each. 3) described a new and threatening environmental problem—Acid Rain.He pointed to the significant decrease … Natural sources like volcanoes, forest fires and lightning strikes also add to the man-made pollution. Mark the level of the acid rain with a felt tip pen. 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