Notes and Study material for Exams
Mineral Resources of West Bengal Major Mineral Resources: The state of West Bengal has an important position in mineral production of the country. In terms of value, the state accounts for 3.8% of mineral production in India and occupies the seventh position. Various metallic and non-metallic mineral deposits have been located both in the … Read more
Mineral Resources of Tamil Nadu Tamil Nadu is the leading holder of country’s resources of vermiculite, magnetite, dunite, rutile, garnet, molybdenum and ilmenite. The State accounts for the country’s 81% lignite,75% vermiculite, 69% dunite, 59% garnet, 52% molybdenum and 30% titanium Minerals resources. Important minerals that are found to occur in the State are … Read more
Uttar Pradesh is the principal holder of country’s andalusite & diaspore Resources and possesses 78% andalusite 37% diaspore and 10% pyrophyllite. Important Minerals occurring in Uttar Pradesh are: coal in Singrauli coalfields,Sonbhadra district. diaspore & pyrophyllite in Hamirpur, Jhansi, Lalilpur and Mahoba districts. Naini area of Allahabad contains High quality of silica sand, an important … Read more
Bihar Minerals Introduction The mineral base of this state is very rich. Particularly the Chotanagpur plateau is very mineral rich field. It has an extensive and high quality coal deposits. Iron Ore and copper ore are also produced in Bihar. Bauxite, ore for aluminiumis also found here. This state has a reserve of pyrites and … 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
Mohandas Karamchand Gandhi was ‘a man of millennium’ who imparts the lesson of truth, Non- violence and peace. The philosophy and ideology is relevant still today.The philosophy of Gandhi was based on truth, sacrifice, non- violence selfless service and cooperation. In modern times, nonviolent methods of action have been a powerful tool for social protest. … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> is the process of maintaining salt and water balance (osmotic balance) across membranes within the body. The fluids inside and surrounding cells are composed of water, electrolytes, and nonelectrolytes. An electrolyte is a compound that dissociates into ions when dissolved in water. A nonelectrolyte, in contrast, … Read more
The role of Mahatma Gandhi in Indian Freedom Struggle is considered the most significant as he single-handedly spearheaded the movement for Indian independence. The peaceful and non-violent techniques of Mahatma Gandhi formed the basis of freedom struggle against the British yoke. Mohandas Karamchand Gandhi was born on 2nd October 1869. After he came back to … Read more
NATURAL Resources OF INDIA What are Natural Resources ? Natural resources are useful raw materials that we get from the Earth. They occur naturally, which means that humans cannot make natural resources. Instead, we use and modify natural resources in ways that are beneficial to us. The materials used in human-made objects are natural … Read more
Iron and Steel Industry: Pig Iron Pig iron is the intermediate product of smelting of iron Ore with a high-carbon fuel such as coke and charcoal and is the basic raw material in Foundry and Casting Industry for the manufacture of various types of castings required for … Read more