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Question

Select the statements applicable to LDPE.

A
It has high degree of branching
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B
It has low density
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C
It is made using the free-radical mechanism
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D
It is used to make plastic bags.
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Solution

The correct options are
A It has high degree of branching
B It has low density
C It is made using the free-radical mechanism
D It is used to make plastic bags.
LDPE stands for low-density polyethene.

It has low density because of a high degree of branching. The high branching makes it stack less and leads to lower density.

As a result, LDPE is translucent and has low tensile strength. It is made using the free-radical mechanism of polymerisation.

It is used to make plastic bags.

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