Question

write two ways by which you can differenciatiate wool from polyester​

Answer 1

Answer:

(1)polyester is a man made synthetic fibre whereas wool fibre is a natural animal fibre obtained by sheep rearing , (2)polyester fibre melts on burning whereas wool fibre doesn't melt on burning. (3) polyester fibre hasn't minute pores in it whereas wool fibre has a large amount of minute pores in it .

Answer 2

Answer:

(a) Polyester is a man made synthetic fibre whereas wool fibre is a natural animal fibre obtained by sheep rearing.

(b) Polyester fibre melts on burning whereas wool fibre doesn't melt on burning.