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Home Q & A Board Science-Related Homework Help Chemistry Organic Chemistry
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harry32 harry32
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2 years ago

Question 1.

The melt transition temperature (Tm), is the temperature at which the ________ regions of the polymers become ________.

▸ crystalline; amorphous

▸ crystalline; hard

▸ amorphous; hard

▸ non-crystalline; soft

▸ none of these

Question 2.

Which of the given polymers are hard at room temperature and soft at high temperature?

▸ thermosetting resins

▸ fibers

▸ elastomers

▸ thermoplastics

▸ plasticizers
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Organic Chemistry

Organic Chemistry


Edition: 4th
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