Question

Mention any two properties of synthetic fibres and natural fibres each

Answer 1

Answer:

Some of the most important properties of synthetic materials are as follows: 1. Tensile strength 2. Action of water 3. Action of heat and flame 4. Thermal conductivity 5. Electrical conductivity.

The usefulness or otherwise of a synthetic material depends upon the following properties

Answer 2

Explanation:

Natural fibres :

1. They give ash when they burn
2. They are easily decomposed in the earth

Synthetic fibres :

1. They do not decomposed easily into the earth
2. They give bad smell and come closure when they are burnt