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Download 2 Types of Chemical Weathering Hydrolysis Oxidation
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Transcript
2 Types of Chemical Weathering Chemical Process changes rocks and minerals into new substances Hydrolysis Oxidation is is water dissolving the minerals in rocks the reaction of OXYGEN with METALS to form OXIDES Acids found in water OXIDES weaken the rock and cause the rock to fall apart (Carbonic acid) Help speed up the process of dissolving rocks Example: iron oxide = RUST Caverns KARST Topography result when HYDROLYSIS dissolves Calcite in underground limestone rocks ACID RAIN Oxidation Examples: Caused by Air pollution Helps Speed up Chemical weathering iron + oxygen = rust – iron oxide silver + oxygen = tarnish copper + oxygen = greenish color
