The answer is true
Yes it is. It is not altering the chemical makeup of the substance.
It is a physical change, because the wood is still wood but it is in a different form
Physical change because the molecules have not changed to form a new substance.
It is a physical change because only its shape changed, not its chemical composition.
physical, because it can be easily reversed
It is chemical , because the odour changed which is considered as a chemical property
It is chemical , because the odour changed which is considered as a chemical property
Physical change because the molecules have not changed to form a new substance.
Breaking, grinding, cracking are all examples of a physical change. The nature of the substance has not changed, just the size of the pieces has changed.
Yes, because the chemical formula has not changed. It has merely changed from a solid to a liquid.
Physical because none of its chemical property's are not changed. Its still ice, just melted
Physical because none of its chemical property's are not changed. Its still ice, just melted
Physical because on the appearance of the chocolate bar changed
It's a physical change because the composition of the butter is not changed.
Yes it is. It is not altering the chemical makeup of the substance.
This is a physical change, because you are only changing the physical appearance, not the substance's chemical properties.
It is a physical change because salt is not changed chemically.