Super! As we discussed earlier, sugar forms a mixture (solution) by dissolving in water. So, that is a physical change. Also, a magnet can easily be removed from the iron, so, that is also a physical change. The fruit rotting, and the petrol being used in an engine are both irreversible, so, they have to be chemical changes.
The difference between physical and chemical changes also gives us some idea about physical and chemical properties.

An object's physical property is any property that depends only on that object and nothing else. For example, the weight of an object, its colour, its size, its state (solid, liquid, gas), etc are physical properties.