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Thermoplastic: These polymer gets soften on heating and can be converted into any shape that they can retain on cooling. Such polymers that soften on heating and stiffen on cooling are termed as "Thermoplastic".
For examples: Polythene, PVC, nylon, and sealing wax.
Thermosetting: They are like the yolk of egg, which on heating sets into a mass, and once set, cannot be reshaped. Such polymers, which become infusible and insoluble mass on heating, are called "Thermosetting" polymers. E.g. Bakelite.
transition elements form coloured compound. Why?
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Here''s the equation: NaOH + H2SO4 = Na2SO4 + H2O
Q. Explain Extraction of Sulphur? The most important method for the extraction of sulphur from native deposits is the frasc process developed by Herman frach in 1891. It consis
ionization energy
Why are the lanthanides and actinides series call the f-block
Scale and sludge formation in boiler
Titration introductions,Objective,Literature,Method ,Discussion ,Conclusion and References.
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