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Thermosetting polymers - Classification of polymers
These are the polymers which go through permanent modification on heating. They get firm and infusible on heating. They are generally built from low molecular mass semifluid molecules. While heated they went highly cross linked to make hard infusible and insoluble components. The cross links take the atom in place that is why heating does not permit them to move liberally. Thus a thermosetting plastic is cross linked and is lastingly rigid.
thermoplastics
Q. Describe about tetrahalides? S, Se, Te and Po form tetrahalides with all the halogens. However, tetrafluoride of polonium, tetrabromide of sulphur and tetraiodides of sulphu
Number of unpaired electrons in 1s 2 2s 2 2p 3 is: (1) 2 (2) 0 (3) 3 (4) 1 Ans: 3
properties of s block elements (point wise)
Q. Name the plant based sources of antioxidants? Name the plant based sources of the following antioxidants: Vitamin C, lycopene, isoflavones and organo sulphur compounds.
A electrovalent compound is made up of: (1) Electrically charged molecules (2) Neutral molecules (3) Neutral atoms (4) Electrically charged atoms or group of atoms
brief explanation of claudes method of liquefication of g gases
There are five d-orbitals totally existed. These are designated as d xy , d yz , , d xz , and . The shapes of these orbitals are explained below: The three or
Q. What do you mean by Scientific Methods? A scientific method is a systematic approach utilized to answer a question or study a situation. It is both an organized manner for
why f elememnts kept sepertaly in periodic table
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