Physical. changes of state (solid, liquid, gas) are physical changes.
Physical
With a physical reaction, some of the substance changes, but the stubstance is still the same. A chemical reaction on the other hand, is hard to reverse. Physical: freezing of water, drying of clothes, mixing of iorn nails and sand Chemical: cooking of food
Dissolving in water is a physical change.
The humidifier putting moisture into the air is a physical change. It involves adding water vapor, which is a change in the physical state of water from liquid to gas, without altering the chemical composition of the water molecule.
The rusting metal of the chain is chemical and the towel that is now wet is physical. The water is still water but the metal is now been oxidized.
Physical
Ocean water is a substance, not a physical or chemical change.
Water is not a reaction at all. If you mean to ask if a state change in water is chemical or physical, it is physical.
Physical
Boiling water is a physical change because it does not change the chemical composition of the water.
physical
physical
It is both physical and chemical. Evaporation of water is a physical process, and reduction of water from clothing is also a chemical process.
physical
Physical, as it remains water.
Solubility is a physical property of water because when water dissolves a substance, the chemical composition of the water does not change.
Physical.