96 How will you identify between cotton, wool, silk, and synthetic fabrics?

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Solution

Fibres Type of Fibre (Natural or Synthetic) Source of Fibre Type of soil and climate Uses
Burn test
(Flame color)
Observation
Cotton It is a natural fibre Obtained from plant cotton Grows on black soil and warm climate. Used for making fabrics and textile products. Yellow-orange steady flame Smells like burning paper
Wool It is a natural fibre Obtained from animals such as Sheep, goat, and hairs of Rabbit, Yak, Camels Cool and humid temperature type of climate for sheep rearing Use for making winter clothes Orange flickering flame Smells like burning hair
Silk It is a natural fibre Obtained from the cocoon of the silkworm. Silk is made in hot climate Used for making luxurious fabrics. Orange slow flame Smells like burning meat.
Synthetic fibre It is a man-made fibre It is obtained from chemical substances. Example: Nylon, Polyester, etc Not required any particular temperature Used in making ropes, parachutes, etc. Blue Orange slow flame Smells like burning coal tar.

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