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Question

Synthetic fibres:
  1. burn slowly
  2. burn vigorously
  3. do not catch fire
  4. melt on heating

A
burn slowly
B
melt on heating
C
burn vigorously
D
do not catch fire
Solution
Verified by Toppr

Most of synthetic fibres disadvantages are related to their low melting temperature. Synthetic fibres burn more readily than natural. They are prone to heat damage and melt relatively easily.
Hence, option B and D is correct.

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