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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.
Which processes is used to harden a steel? Quenching process is used to harden the steel
advantages
How many grams of CO2 are produce if 42.0 mol of LiOH react?
Condensers are an integral part of a distillation process. As we have seen, the vapor feed from the distillation column can enter either a partial condenser or a complete condenser
CALCULATE THE MOMENTUM OF APARTICLEWHICH HAS WAVELENGTH OF 2A
Q. Show the Chemical property of matter? A chemical property explains the ability of a substance to combine with or change into one or more other substances. For instance the
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
Which type of bonding exists in Li 2 o and CaF 2 respectively : (1) Ionic, ionic (2) Ionic, covalent (3) Covalent, ionic
The number of electrons in c l - ion is: (1) 19 (2) 20 (3) 18 (4) 35 Ans: 18
principle and application
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