Multiple choice

Plastics are classified as thermoplastic and thermosetting plastic based on their behaviour :

  1. on ironing

  2. on passing electricity

  3. on cooling

  4. on heating
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Thermoplastics: They are melted and their shape can be easily reshaped by heating these plastics.Thermosetting Plastic: They are hard and once molded, they can not be softed by heating.

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