Notes and Study material for Exams
Ore An ore is a special type of rock that contains a large enough amount of a particular mineral (usually a Metal) to make it economically practical to extract that mineral from the surrounding rock. Not all Minerals are found in a large enough amount in one location to make it worth it to remove the ore … Read more
Eleven groups of Soil orders are found in Karnataka Entisols, Inceptisols, Mollisols, Spodosols, Alfisols, Ultisols, Oxisols, Aridisols, Vertisols, Andisols and Histosols. Depending on the agricultural capability of the soil, the Soil Types are divided into six types viz., Red, lateritic(lateritic soil is found in bidar and kolar district), black, alluvio-colluvial, forest and coastal soils. The common Types of Soil groups found in Karnataka are Red soils: Red … Read more
Carbon is the common element found in all known form of life. Structure of all living organism contains carbon. Carbon present in living organism even after death. Coal, petroleum and its products are compounds of carbon. Carbon is an element and a non-Metal. Symbol of Carbon = C Atomic number of carbon = 6 Atomic … Read more
The Rate of a Chemical Reaction can be defined as the amount of the reaction which occurs in unit time. The rate of a reaction is measured by choosing certain properties of the reaction which will indicate how far the reaction has gone, and whose magnitude can be observed with time without disturbing the reaction. … 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
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
Feeding the Earth: A Deep Dive into Organic vs. Inorganic Fertilizers The quest for bountiful harvests has driven agricultural practices for millennia. At the heart of this endeavor lies the crucial element of fertilization, the process of replenishing the soil with essential nutrients to support plant growth. Two distinct approaches dominate the landscape of modern … Read more