Question

plastic articles are available in all possible shapes and sizes. can you tell why?​

Answer 1

Explanation:

Not every plastics can be moulded into required shape. Only plastics which coming under thermoplastics can change it's shape repeatedly by heating and cooling. Polymers have large number of polymeric change in it. Generally thermoplastics have no cross links between their polymer chains.

Answer 2

Answer:

Plastic articles are available in all shapes and sizes because plastic is considered to be a different material as it becomes soft on heating and becomes hard when cooled to lower temperatures. At moderate temperature, the substance melts without the decomposition process.

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