Question

Give two examples in which physical and chemical changes occur simulaneously.​

Answer 1

Another example of a change that is both chemical and physical is the burning of wood. ... Another example is eating chocolate, which is both a physical change (breaking of chocolate into smaller pieces or melting of chocolate) and a chemical change (breaking of chocolate molecules into simpler molecules, etc.).

Answer 2

I think

a) burning a candle

b) eating a chocolate