Kind of... if you boil milk, then some of it evaporates, so... sort of :)
Physical change
well i think they are a chemical change as you can not reverse it- a physical change is basically a change that can not be reversed :) hope this helps!
Physical change
physical
Dissolution is a physical change.
Physical change
well i think they are a chemical change as you can not reverse it- a physical change is basically a change that can not be reversed :) hope this helps!
This is a chemical change.
It's not a physical change
Physical change
The question to answer is "Has a new substance been created?" Most cdertainly heating does change the cheese, milk and eggs used in most mac and cheese recipes. So the answer is, yes, cooking mac and cheese is a chemical change.
yes it is a physical change. there is no chemical change
physical
Chocolate milk is a mixture. It is not a change of any sort. The making of chocolate milk is a physical change as none of the components change their chemical identity.
Physical changes are those that do not alter the chemical composition of a substance. I hate to give out homework answers, but here's a push in the right direction: what in your kitchen could change a glass of water in a way that is reversible, and would not chemically alter it? Consider things like mixing with non-reactive substances and heating. There are many more that are probably within arm's reach.
Milk curdling is a chemical change.
Physical because the milk doesn't change the composition of the cereal.