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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.
h2c2o4 + mno-4 - mno-4 +co2
Electronic configuration 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s 1 represents: (1) Ground state (2) Excited state (3) Anionic state (4) All of these Ans: Ground
Entropy (S) is a molecular 'disorder', or more precisely 'the number of microscopic arrangements of energy possible in a macroscopic sample'. Entropy depends strongly on the state
A 10L helium balloon at a pressure of two bar at 27C. Some O 2 is now inside in balloon and final volume is made 30L. the pressure also fell to 1 bar at similar temperature. the p
Cleaning action of soap and detergents
Rancidification - chemical properties of oils and fats On long storage in contact along with air and moisture, oils and fats develop unlikable smell. The process is termed as r
Q. Define product development? Product development is a future oriented practice and an effort to foresee the future needs of the market place and to translate this informatio
conclusion of the topic?
Q. Determine the best method of preparing a stable emulsion? To determine the best method of preparing a stable emulsion like mayonnaise. • learn the process of preparation
formaldehyde 10 N preparation?
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