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Praveen Varghese Thomas has Published 2094 Articles
Praveen Varghese Thomas
14 Views
Introduction Tannic acid is one type of tannin and these two terms are used “interchangeably”. A “tannic acid” is a form of "tannin" and "one type of polyphenol". It can be used in “the food industry and medical field”. It can cause damage to the "eye, skin and even to ... Read More
Praveen Varghese Thomas
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Tantalum was discovered by Anders G. Ekeberg (1802), and he discovered this metal in Uppsala, Sweden, in the minerals tantalite from Finland and yttrotantalite from Sweden. Later English chemist William Wollaston declined his discovery. Not only that, but he also claimed that it was another kind of material known as ... Read More
Praveen Varghese Thomas
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Introduction Tartaric acid is a common organic acid that is mostly in citrus fruits. This acid found to be white in colour and it occurs in crystalline form. This acid is combined with sodium bicarbonate and is utilised as baking powder. It is useful as a leavening agent for the ... Read More
Praveen Varghese Thomas
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Introduction Polytetrafluoroethylene commonly known as Teflon refers to a synthetic type of element made of “tetrafluoroethylene fluoropolymer”. It is mainly created by the “radical polymerisation” that is free of several molecules of tetrafluoroethylene. Polytetrafluoroethylene is called PTFE as the chemical term that has numerous benefits in the current situation to ... Read More
Praveen Varghese Thomas
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Introduction Tellurium is very significant as well as more prevalent all over the universe compared to the earth. A material processes a flame with a greenish-blue colour if it is burned in the direct light of the sun. The appearance of this molecule is a little toxic and it is ... Read More
Praveen Varghese Thomas
37 Views
Introduction The analysis of anions in a systematic manner has turned out to be an integral part of inorganic salts that are rich in their qualitative properties. The entire process of analysis serves either of the two objectives. They are two understand the quality and quantity of the anions ... Read More
Praveen Varghese Thomas
17 Views
Introduction 'Technetium is a radioactive element and has various radioactive isotopes as well which are thoroughly unstable except for the completely ionized state of 97Tc. This substance is synthetically produced in laboratories for various industrial applications. Naturally, this substance is mostly obtained from molybdenum ores. It is the lightest element ... Read More
Praveen Varghese Thomas
37 Views
Introduction Graham's law or also called Graham's law of diffusion was given or established by Thomas Graham (Scottish chemist) in the year 1848. Graham’s law (for both effusion and diffusion) describes that the rate (amount) of (e) effusion or diffusion of any particular gas (g) is inversely (inv.) proportional ($\mathrm{\propto}$) ... Read More
Praveen Varghese Thomas
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Introduction Green chemistry is introduced because of increased pollution of our environment. The use of hazardous chemicals in the chemical industry has been a serious threat that causes pollution. Paul Anastas is the father of green chemistry in which he proposed 12 principles of green chemistry that are effective against ... Read More
Praveen Varghese Thomas
8 Views
Introduction Hassium is denoted or represented by the chemical symbol Hs, and it has an atomic number equal to 108. It is highly (extremely) radioactive. Its most (more) stable isotope exists or has a half-life of approximately 10 (s) seconds. Hassium is one of the superheavy elements. This ... Read More