Question

one instance in which both physical and chemical changes. take place simultaneously

Answer 1

when a candle burns some of the wax near the wick melts,trickles down and resolidifies.this is a physical change.while the burning of wax to form the vapours of wax carbon dioxide etc. is a chemocal change

Answer 2

Answer:

Burning of wood is a example of both physical and chemical change.

Explanation:

When wood is burnt the moisture present in it turns to vapour ,it is a physical change while it burns and generate CO2 is a chemical change.

Hope it helps.