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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.
separation of metal
Uses of Perfluorocarbons Perfluorocarbons are good electrical insulators. These have several important uses like: (a) Perfluorocarbons are used as surface coatings, lubrican
how many methods to remove color impurities in chemical compounds?
how to i find the answer to the question 8.05X10^22 molecules of carbon tetrahydride? and my answer has to be in moles
Which of the following electronic configuration is not possible: (1) 1s 2 2s 2 (2) 1s 2 2s 2 2p6 (3) [Ar]3d 10 4s 2 4
Reformatsky reaction - Aldehydes and Ketones Reformatsky reaction has the treatment of aldehyde and ketone along with a bromo acid ester in existence of metallic zinc to form -
order
A sample of water collected in the field had a pH of 6.8. By the time it was analyzed in the lab, the pH had decreased to 6.0. Give a possible explanation.
synthesis of di and tri substituted benzenes(symmetrical tribromo benzene, 2-amino-5methylphenol, 3-nitro-4-bromobenzoic acid, 3,4-dibromonitrobenzene, 1,2,3-trimethyl benzene) sta
Antifertility drugs: These are the chemical substances employed to manage the pregnancy. These are as well known as oral contraceptives. The fundamental plan of anti fertility
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