A change in state is a physical change because the chemical composition of the substance remains the same.
Physical. The water changes its state of matter from liquid to gaseous. No chemical reaction (i.e. change) going on there.
We need the alternatives
It is a physical change, the substance stay the same elements before and after the change, this is the same for all states of matter changes (melting, freezing, evaporating, condensing, and sublamation)
If i get the awnser ill tell you.
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chemical change as a new substance is formed
Chemical
Silver is a chemcial. More specifically, it is an element.
is luster a phsical property of minerals
It is a reversible process, as ice can be melted back into water.
The freezing point is a physical change because the substance is the same before and after only changing its form.
Phsical change. got it off of my section 2- Properties of matter number 1