Question

What happens when a piece of cotton and a piece of nylon is burnt

Answer 1

When cotton is burnt -
1) It burns completely.
2) It doesn't produce any odour.

When Nylon is burnt -
1) It starts melting.
2) It produces odour while burning.

Answer 2

Cotton
It burns completely.
It does not produce any odour.

Nylon
It starts melting.
It produces odour.

Thanks hope it will help you