a solid made up of long strings of molecules

What is a thermo-hardening polymer?

a polymer that can not be reshaped more than once

what is a thermo-softening polymer

a polymer that can be reshaped when heated

-plastic oven -strip heater -electric iron

Quiz

tbele.45 4 perguntas

Fazer o quiz

1What is a polymer?
1. Aa solid made up of long strings of molecules
2. Ba shape with five sides
2What is a thermo-hardening polymer?
1. Aa polymer that can not be reshaped more than once
2. Ba shape with sharp corners
3. Ca hard polymer
3what is a thermo-softening polymer
1. Aa polymer that can be reshaped when heated
2. Ba polymer that can be heated
3. Ca very soft polymer
4How can a polymer be molded?
1. A-plastic oven
  -strip heater
  -electric iron
2. B- plastic oven
  -strip heater