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Subjects
Science State Board
Class 7
Polymer Chemistry
Introduction to polymers
5.
Answer the questions about natural fibres
Exercise condition:
4
m.
Choose
the
correct
answer
:
1
.
Fabric is made from the ingredient fibre, which can be __________ and __________ sources.
Natural
All of these
Artificial
2
.
Linen is made from __________.
Flax
Cotton
Both
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