Explain physical change:
Plastic Surgery- Sometimes, but more oft then not.. No.
Body features and physical appearance from current- yes, you can lose weight or gain weight according to exercise and diet and other factors. you could change eye color by contact lenses or whiten your teeth. you could change your hair style and life style.
Some things cannot be undone- like.. you cannot undo undoing your virginity or chopping off a limb.
(good luck with that!!)
Evaporating seawater is a physical change. Physical changes affect the form, but not the chemical makeup of a substance. The sea water is undergoing a change in states of matter, not a chemical reaction. You can undo the change by condensing the evaporated water .
Physical
a change in size, shape or the state of matter is a physical change. True for A+.
physical change
Volume is a physical quantity not a change. However CHANGE in volume is a physical change.
Physical change.
Chemical, because you cant undo it
It is a chemical reaction and is undo able
It is a chemical reaction and is undo able
Evaporating seawater is a physical change. Physical changes affect the form, but not the chemical makeup of a substance. The sea water is undergoing a change in states of matter, not a chemical reaction. You can undo the change by condensing the evaporated water .
A physical change is a change that can be undone. A chemical change cannot be undone. An example of this would be dissolving salt in water. This is a physical change because if you let the water in the container evaporate the salt will be left behind. A chemical change would be like burning a piece of wood since you cannot undo the change taking place to the wood.
A type of change in which the form of matter is changed to another form is called a physical change. Thus the chemical change does not occur, but only a physical change occurs in it. Example: When ice melts into water When water is boiled, and it changes into water vapor.
Evaporation of a pudle is a physical change,
Baking a cake is a chemical property because it is going from dough to cake or batter to cake.
Chemical.
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