Which of the following polymers does not soften on heating and harden on cooling? Options: A . &nbspPolythene B . &nbspPolyvinyls C . &nbspPolystyrene D . &nbspUrea-formaldehyde resins

Which of the following polymers does not soften on heating and harden on cooling

Question

Which of the following polymers does not soften on heating and harden on cooling?

Options:

A . Polythene

B . Polyvinyls

C . Polystyrene

D . Urea-formaldehyde resins

Answer: Option D
:
D
Polythene, Polyvinyls and Polystyrene are Thermoplastic polymers.
Urea-formaldehyde resin is a thermosetting polymer.

Was this answer helpful ?

Next Question

Question 1. Which among the following is polymer ‘B’?....

Question 2. The mass average molecular weight and number average molecular weight of a polymer are respectively 40000 and 30000. ....and 30000. The poly-dispersity index of the polymer will be

Question 3. Which of the following is used in the manufacture of Synthetic Rubber?....

Question 4. Which of the following is one of the starting materials for the following resin intermediate? ....

Question 5. Which among the following is polymer ‘A’?....

Question 6. High density polyethylene(HDPE) can be prepared from ethylene by....

Question 7. Match the polymers given in Column I with the preferred mode of polymerisation followed by their monomers.Column IColum....their monomers.Column IColumn II(i) Nylon-6(a) free radical polymerisation(ii) PVC(b) Ziegler-Natta plymerisation or coordination polymerisation(iii) HDP(c) Anionic polymerisation(d) Condensation polymerisation

Question 8. Triethyl aluminium and titanium chloride used in plastic industry is a....

Question 9. Which of the following has cross-links?....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0