Rusting of iron is physical change or chemical change

In a physical change

Heating of ice is physical change or chemical change?

Physical change is

change of milk to curd is physical change or chemical change?

Drying of clothes in sunlight is a physical change or chemical change?

classify the following processes into physical changes or chemical changes? (a) Twinkling of stars (b) Cooking of vegetables (c) Cutting of fruits (d) Boiling of waters. (e) Rusting of iron (f) Combustion of magnesium ribbon (g) Burning of candle (h) Melting of wax

Rusting of iron is example for

An element an any substance that cannot be decomposed into a further simple substance by a physical or chemical or chemical change . Who defined it ?

What are physical changes ?

Rusting of iron takes place in