Polimerai ir plastikai

Polimerai ir plastikai

10th Grade

12 Qs

quiz-placeholder

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Polimerai ir plastikai

Polimerai ir plastikai

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

Donatas Povilaitis

Used 8+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Lydymosi temperatūra?

140-200°C

160-320°C

160-250°C

100-220°C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Susintetino pirmąjį dirbtinį plastiką?

Alexanderis Parkesas

Aleksandras Peksas

Andrėjus Parkesis

Parkesas Elaksandras

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Alexanderis Parkesas...

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Termoplastikų minkštėjimo temperatūra

<110°C

<130 °C

<160°C

<150°C

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Plastikai (fenilonas, silicio organiniai polimerai) atsparūs iki....

200-500°C

450-700°C

300-600°C

400-500°C

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Plastikų savybės

Plastikai nelaidūs elektrai

Blogi šilumos laidininkai

Trapūs

Nekenksmingi sveikatai

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Pažymėkite, teisingą teiginį

plastiko formavimas yra našus ir pigus

perdirbimą lengva visiškai automatizuoti

Plastikas plačiai vartojamas dėl žaliavos pigumo

Neekonomiška plastikais pakeisti metalus automobilių

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