The low strength of the secondary bonds in polymer materials can be an advantage
ID: 2311098 • Letter: T
Question
The low strength of the secondary bonds in polymer materials can be an advantage in some applications because: (Choose all that apply)
a - They are fireproof
b-They glow in the dark
Their low melting points mean that they can be cast with low energy cost
d- They can be cut quickly with inexpensive tools
e- They are magnetic
.a - They are fireproof
b-They glow in the dark
.c-Their low melting points mean that they can be cast with low energy cost
d- They can be cut quickly with inexpensive tools
e- They are magnetic
Explanation / Answer
the answer is option C. because weak bond ca be easily broken with low enery. in chemistry there is a specified relationship beteen bond strength and their melting point. option D doesnot make any sense. inexpensive shold not be the criteria. efficient shoud be the criteria. there is no chance of getting magnetic. so go with answer c.
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