Question

What happens when a piece of cotton and a piece of nylon are burnt ?

Answer 1

Cotton
-----------
--> Ignites easily
--> Burns slowly
--> no odour will be produced

Nylon
---------
--> Ignites slowly
--> Burns quickly
--> Produce odour

Answer 2

Burning of cotton piece does not produce any odour or smell. Burning of nylon produce odour.

Explanation:

When the piece of cotton is burnt then it burns completely and produces no odour or smell. Cotton clothes or cotton yarns do not shrink or melt like silk yarn. It completely burns and produces burning paper like odour.

When nylon is burnt then the nylon is completely shrink and starts to melt first and then produces odour during the time of burning. Nylons are material which is very fast to melt and shrink in contact of the fire.