Polymer Properties
Authored by Yamuna Munusamy
Chemistry
University
Used 22+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
The size of the spherulite in semi-crystalline polymers are influenced by following factors..
Crystallization temperature
Crystallization time
Processing history
Structure of the polymer
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following monomers can produce semi-crystalline polymer?
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Glass transition temperature is caused by ---------------- movement of polymeric chain.
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
The above image shows Polymer a and Polymer b. Choose the correct statement about these polymers.
Polymer A has higher density compared to Polymer B
Polymer B will exhibit higher melting temperature compared to Polymer A
Polymer B is more transparent than Polymer A
Polymer B has higher impact properties compared to polymer A
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Both amorphous and semi-crystalline polymers will become ------------------- liquid when melted.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these polymers will exhibit highest Tg.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statement is TRUE?
As molecular weight increases crystalline region increases.
Branching increases crystalline region in polymers.
Large size of side group in monomers decreases crystalline region formation in polymers.
Block co-polymers has less crystalline region compared to random co-polymers.
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