CGPCS Prelims and Mains Notes, CGPCS Test Series
Note: READ id our New Initiative to cover two Topics (Weekly) of Current Importance in Detail with Specific focus on Prelims and Mains Exam India – Israel Relations Israel, officially State of Israel, in the Middle East, located at the eastern end of the Mediterranean Sea. It is bounded to the north by Lebanon, to the … Read more
CHHATTISGARH Mahanadi Dispute: Centre hands over ToR to tribunal chairman The Centre shared the terms of reference (ToR) of the Mahanadi Water Dispute Tribunal (MWDT) with its chairman and Supreme Court judge Justice A M Khanwilkar. Union water resources secretary UP Singh handed over the ToR to the tribunal chairman in New Delhi. According to … Read more
CHHATTISGARH Govt gears up for aggressive bharatnet phase-ii implementation The Chhattisgarh Government is gearing up for aggressive implementation of the second phase of BharatNet project in the State, officials informed. It will soon hire a Project Support Consultant for implementation of the BharatNet Phase-II project , they informed. Notably, the Chhattisgarh Infotech … Read more
Minerals Minerals are defined as solid, inorganic, naturally occurring substances with a definite chemical formula and general structure. Almost all chemical elements in the Earth’s crust are associated with at least one mineral. They vary in color, hardness, density, crystal form, crystal size, transparency, composition, location, and abundance. Some minerals are radioactive (uranophane), while others … Read more
Properties of soaps and detergents 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 … Read more
Metal In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Metals are sometimes described as a lattice of positive ions surrounded by a cloud of delocalized electrons. The metals are one of the three groups of elements as distinguished by their ionization and bonding properties, along with … Read more
BHAGAT SINGH The name Bhagat Singh has become a synonym of revolution. He was one of the great revolutionaries who made supreme sacrifice for the nation. Thousands of young people sacrificed their lives in the altar of India’s liberation struggle but the name Bhagat Singh has a special place in the history of our independence. … Read more
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
Metallurgy concentration, roasting, smelting Roasting It is a process wherein the ore is heated either alone or with some other material in excess of air below the fusion point of the ore. Usually, this method is used for sulphide ores. In roasting, definite chemical changes take place to form oxide or chloride of the metal. … Read more
Preparation of Oxygen Oxygen is prepared in lab generally in two ways either by the application of heat or no application of heat. Using heat: Oxygen in lab is prepared by heating the mixture of powdered potassium chlorate and manganese dioxide in the ratio 4:1 in a hard glass test tube. The oxygen gas is … Read more