You have already performed an activity of burning natural and synthetic fibres.Take an artificial (synthetic) silk thread and a pure silk thread. Burn these threads carefully. Did you notice any difference in the smell while burning? Now, burn a woollen fibre carefully. Did it smell like burning of artificial silk of that of pure silk? Can you explain why?What did you observe?

You have already performed an activity of burning natural and syntheti

1.	You have already performed an activity of burning natural and synthetic fibres.Take an artificial (synthetic) silk thread and a pure silk thread. Burn these threads carefully. Did you notice any difference in the smell while burning? Now, burn a woollen fibre carefully. Did it smell like burning of artificial silk of that of pure silk? Can you explain why?What did you observe?
Answer» ANSWER :YES, there is difference in the smell while burning an ARTIFICIAL (SYNTHETIC) silk THREAD and a pure silk thread.