Question

I want the answers within 30 minutes

Answer 1

1) Camphor is sublime substance

2)To protect the gas of Camphor from going out to the funnel.

3) Sublimation is the process in which solid is directly converted into gaseus form.

4)on heating.( it changed also when kept in open)

5)ya....coz when we light incense stick. it start burning leaving Ash & gas as smoke...