Notes and Study material for Exams
The Iron Age, spanning from approximately 1500 BCE to 200 BCE, represents a significant period in human history characterized by the widespread use of iron for tools, weapons, and implements. It witnessed crucial advancements in metallurgy, technology, and socio-political organization, setting the stage for the emergence of ancient civilizations across the globe. Exploring the Iron … Read more
Metallurgy of iron Iron is an important constituent of hemoglobin, which is in blood. Iron is the Metal used most widely in industries and hence may be called the king of metals. It is the second most abundant metal after aluminum. Iron does not occur in native state, since it is oxidized easily. Ores of Iron Chemical Name Chemical … Read more
Geologically Rajasthan comprises rocks from oldest Archean rocks to recent alluvium formations . The oldest formations are known as Banded Gneissic Complex exposed in central and southern Rajasthan. The Aravalli hill range dividing the State diagonally is made up of precambrian rocks of Aravalli and Delhi Super group comprising the metamorphosed gneisses, schists, marble, quartzite, … Read more
WHO Defines Malnutrition as “Malnutrition refers to deficiencies, excesses, or imbalances in a person’s intake of energy and/or nutrients. The term malnutrition addresses 3 broad groups of conditions: undernutrition, which includes wasting (low weight-for-height), stunting (low height-for-age) and underweight (low weight-for-age); micronutrient-related malnutrition, which includes micronutrient deficiencies (a lack of important VITAMINS and Minerals) or … Read more
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 resources. Some examples of natural … Read more
HIstoy of Madhya pradesh with emphasis on Prehistory Madhya Pradesh history states the past of the state, when it was ruled by the renowned dynasties. It even portrays the journey of the state from the past to the present. The state is said to be the habitat of some of the famous dynasties. The history of … Read more
1.metalic Minerals Iron Although Rajasthan is not rich in Iron Ore deposits but the available deposits of iron ore are of high quality. Various iron ore fields of Rajasthan are as follows:- 1- North Eastern Fields:- It has following areas Morija-Banol Area in Amber tehsil of Jaipur Nimalo-Raisalo Area near Dausa Dabla-Singhana-Neem Ka Thana in Jhunjunu … Read more
Foundation of the Mauryan Empire: The foundation of the Maurya Empire in 321 B.C. by Chandragupta Maurya was a unique event in history. Particularly in view of the fact that it was found shortly after Alexander’s victorious campaigns in North-West India during 327 B.C. – 325 B.C. There is no unanimity with regard to … Read more
Sardar Vallabhbhai Patel Sardar Vallabhbhai Patel handled effectively the integration of the princely states with his diplomatic skills and foresightedness. The problem of amalgamating 562 independent states with a democratic self-governing India was difficult and delicate. But it was essential to save India from balkanization, once the Paramountcy of British crown would lapse. Sardar Patel … 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