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Answered 2014-11-26 06:10:34

Signs of physical change - Change in appearance,taste,display of substance

Signs of chemical change- Change in chemical reaction

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It is a chemical change because the temperature changes, light is emitted, and there is a change in smell or taste. 3 signs of a chemical change.


This is a physical change, not a chemical change! It is because all the wax is still all there as for if it was a chemical change it would be all gone!Physical. Its physical state changed from solid to liquid. It's chemical make up remains the same.Melting wax is a chemical change because a new substance is forming. Trust me im intelligent and we just learned this in science.physical change :)It is a chemical change because it gives off heat even when it is burning. heat is one of the signs that tell whether it is physical or chemical change. The signs are heat , light's ,gas,discolor.Melting was would be a physical change-- no chemical reaction occurs when something melts or boils. A burning candle is a chemical change, both can occur at the same time.



physical as the chemical structure does not change.





Signs for a chemical reaction/change can be the release of gases, bubbling and/or a colour change. However the last one might be applicable to a physical change only.


Change in state, and change in shape size are some signs of physical change.


physical and chemical depends if it is physical and chemical change. if it is that it deals with science because physical change is when it does not change by chemical. for example burning a piece of paper is physical change. Chemical change is when a substance is changed by a chemical.



Physical change of the paint, not the door.


Its a chemical change because a gas is produced (which is one of the signs of chemical reaction)


It's a physical change why are some people f$#@%ing stupid and saying a chemical change??




helium has no physical or chemical change helium has no physical or chemical change


The major difference between a physical change and a chemical change is that a chemical change involves a change in chemical composition, and a physical change does not.


Some physical signs are color change, bubbling, and rapid temperature reduction.


Physical - there are no chemicals involved




Physical Change: A change in which the atoms or molecules in a substance stay the same. Example: Ripping a piece of paper in half Chemical Change: A change that affects the type of molecules or atoms in a substance. Example: Burning wood The primary difference is that in a physical change, the composition of the substance remains the same, but in a chemical change, the composition of the substance changes.


Physical change is a change in the structure. Chemical change is a change in the composition. Melting is a physical change. Complexing is a chemical change.