11.05.18 (CGPCS) Chhattisgarh Current Affairs

CHHATTISGARH All govt buildings to be disabled friendly by 2022   All Government buildings in Chhattisgarh would be made disabled friendly by 2022.   The building infrastructure would also be friendly to the senior citizens and the third genders, he said while chairing a meeting here.   The department would make transfer and  postings of … Read more

Laboratory method of preparation acetic acid

Laboratory method of preparation acetic acid Ethanoic Acid (Acetic acid – CH COOH) Ethanoic acid is the second member of the homologous series of carboxylic acids. In other words, vinegar contains about 5 to 8% acetic acid. We will now describe two methods for the manufacture of ethanoic acid. In the first method, ethanoic acid … Read more

Non Metals

Non Metals As far as elements are concerned, a nonmetal is simply an element that does not display the properties of a metal. It is not defined by what it is, but by what it is not. It doesn’t look metallic, can’t be drawn into a wire or pounded into shape or bent, doesn’t conduct … Read more

The Rate of a Chemical Reaction

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 magnitude can be observed … Read more

Metallurgy of Copper

  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

Biodiversity-Definition, types, importance, hotspots, threats and conservation

Biodiversity-Definition, types, importance, hotspots, threats and conservation The term biodiversity was coined as a contraction of biological diversity by E.O. Wilson in 1985. Biodiversity may be defined as the variety and variability of living organisms and the ecological complexes in which they exist. In other words, biodiversity is the occurrence of different types of ecosystems, … Read more

Excretion system of man and excretion process

Excretory System Introduction If you exercise on a hot day, you are likely to lose a lot of water in sweat. Then, for the next several hours, you may notice that you do not pass urine as often as normal and that your urine is darker than usual. Do you know why this happens? Your … Read more

Human reproductive system and reproduction process

Reproductive systems The reproductive system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex hormones. A gamete is a haploid cell that combines with another haploid gamete during fertilization. Sex hormones are chemical messengers that control sexual development and reproduction. The male reproductive system consists of structures … Read more

Properties of soaps and detergents

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

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