my question is ...pastic is solid and has definite shape but how it can be bcoz we can change the shape of plastic by heating.....
Asked by Swati .Anand | 8th Apr, 2012, 03:59: PM
plastics is an example of thermoplastics . Thermoplastics are those substances that turns to to liquid when heated and freezes to semitranparent state when cooled. Thus these plastics can be moulded again and again.
Answered by | 10th Apr, 2012, 02:42: AM
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