yes
Salting the highway is a physical change. No chemical reaction occurs. The salt only depresses the freezing point of the ice.
Yes. The melting point of salt solutions is lower than that of pure water.
physical change because by adding salt you are lowering its melting point thus can melt the ice at low temperature.
melting ice a physical change
Melting ice is a physical change because it does not change the chemical composition of the water.
its both a chemical change and a physical change.
No. It is a physical change. The chemical formula for water is H2O, and that is also the chemical formula for ice. So there is no chemical change taking place, only a change in the state of matter.
melting ice a physical change
its a chemical change
Nope - ice and water both have the same chemical formula. The only change is with temperature.
It is a physical change. It is still the same substance.
Melting ice is a physical change, because there is no new substance formed. The only thing that changes is the state of matter.