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Praveen Varghese Thomas has Published 2094 Articles
Praveen Varghese Thomas
14 Views
Introduction Bh is a man-made element that has been particularly hard to research, due to its incredibly short half-life. However, it had been found in 1981 through bombarding Bi-209 with Cr-54 at the Laboratory for Heavy Ion Studies in Germany, it wasn't until 2000 that such an expert panel was ... Read More
Praveen Varghese Thomas
64 Views
Introduction Brownian motion in simple words can be defined as the random movement of dust particles or microscopic particles in liquids or gases( fluids). When observed under a microscope, it was seen that these particles are never still. But it is seen that this movement results due to the particles ... Read More
Praveen Varghese Thomas
25 Views
Introduction Calcination and Roasting are two processes that convert ores into their oxide form. Ores are a natural substance in the earth's crust. These ores concentrate on various minerals and valuable metals. Metals extracted from ore are required by applying lots of heat either in the presence or absence of ... Read More
Praveen Varghese Thomas
29 Views
Introduction Drugs are chemical compounds that are used to treat various ailments. The classification of drugs is the way to organise medicines into different categories based on their use, structure, and mechanism of action. Despite the chemical similarities these are classified based on their impact on the body. Some drugs ... Read More
Praveen Varghese Thomas
52 Views
Introduction Closed (closet) packing is defined or understood as the arrangement of atoms, ions, or molecules present in the crystal lattice that is characterized by the largest (greatest) number of atoms present in the per unit volume (V) of the crystal. Close (closet) packing is expressed (distinctly) in a large ... Read More
Praveen Varghese Thomas
32 Views
Introduction Conformational isomers, also called conformers, are a form or type of stereoisomerism (a type of isomerism where molecules have the same molecular formula but different 3-D orientations of atoms in space ) in which the isomers can easily be interconverted only by rotating them about their single bond or ... Read More
Praveen Varghese Thomas
54 Views
Introduction Daniell cell converts a chemical form of energy into electrical energy. Lets learn more about it. How does the battery in a mobile phone charge when it is plugged into its charger or how does the cell in a TV remote control function? The study of electrochemistry ... Read More
Praveen Varghese Thomas
16 Views
Introduction Friedel-Crafts reaction is where an alkyl or acyl group swaps out the hydrogen atom of an aromatic molecule to create a hydrocarbon or ketone. An acid catalyst, including $$\mathrm{AlCl_3, BF_3, ZnCl_2, or\: FCl_3, is}$$ present when the aromatic molecule is alkylated or acylated. An alkyl or acyl ... Read More
Praveen Varghese Thomas
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Introduction Alcohols are vastly used in daily life. It is not only used as an intoxicating beverage, it is also used in different industries. Alcohols are obtained by replacing a hydrogen atom by the hydroxyl functional group(-OH) and attached with saturated hydrocarbons. For example, in methanol $\mathrm{(CH_{3}OH)}$ there is one ... Read More
Praveen Varghese Thomas
180 Views
Introduction Acetanilide is a compound that can be used both in industries and medical field. It’s basic properties make it useful in both industries. It is a white coloured organic, which helps in organic synthesis. There are other Acetanilide tests too, that are used in the field of chemistry, such ... Read More