Question

name some of the process in which both chemical and physical changes take place

Answer 1

The cycle of an internal combustion engine involves both a physical and chemical change. ... For example, the melting of wax is not a change in composition, as it still stays wax and hence is a physical change. A chemical change causes a change in chemicalcomposition.

Answer 2

respiration
chemical change : exchange of gases in blood
physical change : movement in lungs

BURNING OF CANDLE
CHEMICAL CHANGE : burning of wax produce smoke heat and light
PHYSICAL CHANGE: burning of the black thread of candle