Notes and Study material for Exams
Corrosion is defined as an attack on a material as a result of chemical, frequently electrochemical reaction, with the surrounding medium. According to this definition, the term corrosion can be applied to all materials, including non-metals. But in practice, the word corrosion is mainly used in Conjunction with metallic materials. Why do metals corrode? Apart … Read more
Acid An acid is a substance which forms H+ ions as the only positive ion in aqueous solution. Examples:- Hydrochloric acid dissolved in water forms H+ and Cl– ions HCl —> H+ + Cl– Sulphuric acid dissolved in water forms H+ and SO42- ions H2SO4 —>2H+ + SO42- Nitric acid forms H+ and NO3– ions when dissolved in water HNO3 —> H+ + NO3– … Read more
Here is a list of sub topics without any description for Chemical Weathering: Carbonation Hydrolysis Oxidation Solution Sulfation Chemical weathering is the process by which rocks and minerals are broken down by chemical reactions. These reactions can be caused by a variety of factors, including water, acids, and oxygen. Acid Rain is a form of … Read more
Here is a list of subtopics on chemical weathering: Carbonation Hydration Oxidation Solution Sulfate attack Chemical weathering is the process by which rocks and minerals are broken down by chemical reactions. These reactions can be caused by a variety of factors, including water, acids, and oxygen. Acid rain is a major cause of chemical weathering. … Read more