CBSE Class 11-science Answered
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 | 08 Apr, 2012, 03:59: PM
Expert Answer
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 | 10 Apr, 2012, 02:42: AM
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