Compare the Changes:
The burning of a candle is an excellent example of a process in which both physical and chemical changes occur simultaneously. The following observations are made while a candle is burning. Classify each of the following observations as either a Physical Change or a Chemical Change by completing the table below.
Answer variants:
Liquid wax changes into vapour.
Heat and light are released.
The melted wax changes directly into ice.
The burning wax changes directly into soil.
The wick melts into liquid before burning.
Burning of wax forms milk as a new substance.
1. Physical change -
2. Chemical change -