polymers

Descrição

year 7 Technology Quiz sobre polymers, criado por ebannatyne.45.... em 06-11-2013.
ebannatyne.45....
Quiz por ebannatyne.45...., atualizado more than 1 year ago
ebannatyne.45....
Criado por ebannatyne.45.... mais de 10 anos atrás
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11

Resumo de Recurso

Questão 1

Questão
What is a polymer?
Responda
  • a non metalic solid made up of long strings of molecules
  • a shape with five sides

Questão 2

Questão
What is a thermo-hardening polymer?
Responda
  • a polymer that can not be reshaped more than once
  • a shape with sharp corners
  • a hard polymer

Questão 3

Questão
what is a thermo-softening polymer
Responda
  • a polymer that can be reshaped when heated
  • a polymer that can be heated
  • a very soft polymer

Questão 4

Questão
How can a polymer be molded?
Responda
  • -plastic oven -strip heater -electric iron
  • - plastic oven -strip heater

Questão 5

Questão
what does 1 in recycling codes stand for ?
Responda
  • PET
  • PTY

Questão 6

Questão
what does 2 mean in recycling code
Responda
  • HSPE
  • HDPE

Questão 7

Questão
what does 3 mean in recycling code?
Responda
  • HIV
  • PVC

Questão 8

Questão
what does 4 stand for in the recycling code?
Responda
  • LDPE
  • LCD

Questão 9

Questão
what does 5 mean in recycling code
Responda
  • PP
  • TT

Questão 10

Questão
what does 6 stand for in recycling code?
Responda
  • ST
  • PS

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