UKPCS Prelims and Mains Notes-UKPSC Test Series
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 Metallurgy of iron
UTTARAKHAND Ban of polythnene in garhwal region from march 31 The ban on use of disposable items made from polythene and polystyrene (thermocol) will be strictly enforced in all the seven districts of Garhwal region from March 31 onward. The Garhwal commissioner further said that environmental damage has been exacerbated due to the … Read more 28.02.18 Uttarakhand (UKPCS) Current Affairs
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 Preparation of Oxygen
Metallurgy of Copper Copper Mining: The commonest ore used in the extraction of copper is Chalcopyrite (CuFeS2) also known as Copper Pyrites and other such sulfides. The percentage of copper in the actual ore is too low for direct extraction of copper to be viable. The concentration of ore is required and it is done by the Froth … Read more Metallurgy of Copper
UTTARAKHAND Teerth purohits of Kedarnath observe fast Teerth Purohits of Kedarnath observed a one-day fast. They were protesting against the government for carrying out beautification work at the temple allegedly in violation of religious and ancient beliefs. The protesters also decided to observe fast every Monday. After performing morning prayers and … Read more 16.05.18 Uttarakhand (UKPCS) Current Affairs
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 Metal
UTTARAKHAND Crimes registered under POCSO almost double in 2 years in Kumaon As various parts of Uttarakhand erupt in protest against rape of minor girls in Kathua in Jammu & Kashmir and Unnao in UP, the hill state has seen a spike of crimes registered under Protection of Children from Sexual Offences (POCSO) Act in its own backyard. In villages and … Read more 18.04.18 Uttarakhand (UKPCS) Current Affairs
Preparation of hydrogen Hydrogen Hydrogen is the most abundant element in the universe. The sun and other stars are composed largely of hydrogen. Astronomers estimate that 90% of the atoms in the universe are hydrogen atoms. Hydrogen is a component of more compounds than any other element. Water is the most abundant compound of hydrogen … Read more Preparation of hydrogen
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 Properties of soaps and detergents
Preparation of nitrogen Nitrogen is found in both free and combined states. It occupies 78.07% by volume. Nitrogen can be prepared: By heating copper in air: Firstly, air is passed through lime water and then concentrated sulphuric acid to make the air free from carbon dioxide and moistures respectively. The air contains only nitrogen … Read more Preparation of nitrogen