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Praveen Varghese Thomas has Published 2094 Articles
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Praveen Varghese Thomas
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Introduction Boron family is important as; these elements play a major role in the ecosystem. They are essential for both plants and humans. For example, boron deficiency can stop plant growth while the excess amount of boron can inhibit the growth. Just like any other group, the boron family have ... Read More
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Praveen Varghese Thomas
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Introduction Many characteristics make the solution different from the Colloids. The properties can be the chemical nature or the light scattering tendency or even the particle solubility. Not only that but also many things such as the components particle size, nature, and filtration can differ from each other. Each type ... Read More
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Praveen Varghese Thomas
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Introduction Dichlorodiphenyltrichloroethane or DDT was first synthesised by Othmar Zeidler, an Austrian chemist in 1874. Paul Hermann Müller, a Swiss chemist discovered the insecticidal properties of DDTs in 1939. During World War II, it was used to prevent the spread of malaria, typhus and other insect-borne diseases among non-combatants and ... Read More
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Praveen Varghese Thomas
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Introduction Data handling and data representation are the processes of collecting and presentation of data systematically. Data handling is the act of collecting a set of data and presenting it in various formats data handling. The act of collecting, maintaining, and presenting data in a way that facilitates analysis, forecasting, ... Read More
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Praveen Varghese Thomas
34 Views
Introduction Hess law was introduced by the Russian Chemist Doctor Germain Hess in the year 1840 where he formulated many principles of thermochemistry. Hess law is an effect of the first law of thermodynamics. But it exists as a single law because of its significance. The calculation of heat of ... Read More
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Praveen Varghese Thomas
37 Views
Introduction Hexamine is an organic heterocyclic molecule. It has a crystalline as well as white aspect. The particle sizes vary between 80 and 800 mm. It is somewhat water-soluble and also soluble in the majority of polar solvents. It seems to have a cage-like geometry. This has 2 distinct applications: ... Read More
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Praveen Varghese Thomas
24 Views
Introduction Chemical reactions are performed to get a particular product by some chemical process happening in the reactants. In some cases, the product formed is again converted back to the reactant. That is a reverse chemical reaction is taking place. But not all chemical reactions will not undergo such a ... Read More
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Praveen Varghese Thomas
76 Views
Introduction In a chemical reaction, the reagents break the bond and forms free radicals to form a new bond. The covalent bond is formed by sharing the electrons of two atoms to form a new molecule. In a chemical reaction, the old bonds are broken, and new ones are formed. ... Read More
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Praveen Varghese Thomas
34 Views
Introduction Atoms are the tiniest building pieces of elements or the simplest material that can be subsequently chemically degraded. The periodic table of elements is a depiction of atoms as well as elements in a certain order. Atoms are made up of protons (p), neutrons (n), and electrons (𝑒−) . ... Read More
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Praveen Varghese Thomas
36 Views
Introduction The German chemist and physicist Erich Huckel determined the Huckel Rule in 1931. He proposed that the aromatic rings follow four norms to be an aromatic compound. The first is that it should be cyclic and the second thing it should be planer, the third thing it conjugates, and ... Read More