Notes and Study material for Exams
Means of Irrigation and its importance India is an agricultural country. About seventy per cent of its people depend on agriculture. Watering is essential for the crops. Agriculture is not possible without water. We have to depend on rains for water for our fields, but we do not get rains throughout the year. India … Read more
Rivers of Chhattisgarh adorn the Indian state and shapes the affluence of the region. The rivers of Chhattisgarh are of much significance to the state from a stand point of economic, social, political and religious views. Chhattisgarh, situated amidst lush green hills and plateaus, is interspersed with several rivers that flow through the state. … Read more
Surface tension Surface tension, property of a liquid surface displayed by its acting as if it were a stretched elastic membrane. This phenomenon can be observed in the nearly spherical shape of small drops of liquids and of soap bubbles. Because of this property, certain insects can stand on the surface of water. … Read more
The Rate of a Chemical Reaction 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 … Read more
Different types of Irrigation and irrigation systems There are two main ways that farmers and ranchers use agricultural water to cultivate crops: Rain Fed Farming irrigation Rain-fed farming Irrigation Rain-fed farming is the natural application of water to the Soil through direct rainfall. Relying on rainfall is less likely to result in contamination … Read more
Soap – Characteristics And Uses Soaps are excellent cleansing agents and have good biodegradability. A serious drawback which reduces their general use, is the tendency for the carboxylate ion to react with Ca+ and Mg+ ions in hard water. The result is a water insoluble salt which can be deposited on clothes and other surfaces. These … Read more
Safe drinking water is the birthright of all humankind – as much a birthright as clean air. The majority of the world’s Population, however, does not have access to safe drinking water. This is certainly true in most parts of Africa and Asia. Even in relatively advanced countries such as India, safe drinking water … Read more
Different Types of Irrigation and Irrigation Systems Irrigation is the artificial application of water to the SoilSoil to assist in the growth of plants. It is used in agriculture to increase crop yields and to improve the quality of produce. Irrigation can also be used to maintain lawns and gardens, and to water trees and … Read more
The Equatorial Countercurrent: A Vital Force in the Ocean’s Circulation The Earth’s oceans are in constant motion, driven by a complex interplay of forces including wind, salinity, temperature, and the Earth’s rotation. This dynamic system creates a network of currents that transport heat, nutrients, and marine life across the globe. Among these currents, the Equatorial … Read more
Pressure: The Unsung Hero of Weather and Climate The air we breathe, seemingly invisible and weightless, exerts a powerful force upon us and the planet. This force, known as atmospheric pressure, is a fundamental element shaping our weather and climate. While often overlooked, pressure plays a crucial role in driving winds, influencing precipitation patterns, and … Read more