what are the main types of chemical weathering answer in brief?
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Chemical weathering is what happens when rocks are broken down and chemically altered. Learn about the different types of chemical weathering, including hydrolysis, oxidation, carbonation, acid rain and acids produced by lichens.
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Weathering breaks down and loosens the surface minerals of rock so they can be transported away by agents of erosion such as water, wind and ice. There are two types of weathering: mechanical and chemical. Mechanical weathering is the disintegration of rock into smaller and smaller fragments.
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['Combination Reaction.', 'Decomposition Reaction.', 'Displacement Reaction.', 'Double Displacement Reaction.', 'Oxidation and Reduction Reaction.']
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['The biogeochemical cycles - the carbon cycle. the nitrogen cycle. the oxygen cycle. the phosphorus cycle. the sulphur cycle. the water cycle; and. the rock/mineral cycle.', 'The nutrient cycle (also known as "nature\'s recycling system")']
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Two important classifications of weathering processes exist – physical and chemical weathering; each sometimes involves a biological component. Mechanical or physical weathering involves the breakdown of rocks and soils through direct contact with atmospheric conditions, such as heat, water, ice and pressure.
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['Hydrolysis: This process is just the breaking apart of molecules by water molecules. ... ', 'Hydration: This is the addition of hydrogen, a very abundant molecule thanks to the abundance of water of Earth. ... ', 'Carbonation: Carbonic acid is a weak acid formed from carbon dioxide and water:']
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Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures. For each 10 degrees C increase in average temperature, the rate of chemical reactions doubles. Precipitation increases: More water allows more chemical reactions.
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[' Combustion.', ' Synthesis.', ' Decomposition.', ' Single Displacement.', ' Double Displacement.', ' Acid-Base.']
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Types of Mechanical Weathering. There are five major types of mechanical weathering: thermal expansion, frost weathering, exfoliation, abrasion, and salt crystal growth.
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Agents of Chemical Weathering Remember that water was a main agent of mechanical weathering. Well, water is also an agent of chemical weathering. That makes it a double agent! Carbon dioxide and oxygen are also agents of chemical weathering.
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The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. Analyzing the reactants and products of a given reaction will allow you to place it into one of these categories.
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['Detergents.', 'Degreasers.', 'Abrasives.', 'Acids.']
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Mechanical weathering increases the rate of chemical weathering. As rock breaks into smaller pieces, the surface area of the pieces increases figure 5. With more surfaces exposed, there are more surfaces on which chemical weathering can occur.
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['Algicide.', 'Chlorine.', 'Chlorine dioxide.', 'Muriatic acid.', 'Soda ash or Sodium bicarbonate.']
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['Alluvial Soils.', 'Black Soils.', 'Red Soils.', 'Desert Soils.', 'Laterite Soils.', 'Mountain Soils.']
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Physical Weathering. Physical weathering is caused by the effects of changing temperature on rocks, causing the rock to break apart. ... There are two main types of physical weathering: Freeze-thaw occurs when water continually seeps into cracks, freezes and expands, eventually breaking the rock apart.
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Weathering processes crack, wear away, and weaken rocks. Over time, it may cause large changes to the landscape. Physical and chemical weathering degrade rocks in different ways. While physical weathering breaks down a rock's physical structure, chemical weathering alters a rock's chemical composition.