Science, asked by aryanjayswal495, 9 months ago

which become soften on heating and becomes hard and rigid on cooling
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Answers

Answered by mastermimd2
2

Explanation:

A thermoplastic is a plastic material that will melt when heated and harden when cooled. This hardening by cooling and melting byheat can be repeated, which enables thermoplastic materials to be recycled.

Answered by athoiluwang450
1

polyethylene

Explanation:

things which becomes soften on heating and becomes hard and rigid on cooling happens when the thing is thermoplastic.Thermoplastics are defined as polymers that can be melted and recast almost indefinitely

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