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When chemical change has occurred, it means that the object has become something that it will be forever until changed again. For example, when you burn paper, it has become something new, a new substance. That paper has become ashes and will never be paper again.
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∙ 13y ago
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Is the change of identity a physical or chemical property?
If you mean a change in chemical identity, that would be a chemical change.
Does a physical change mean you form a new substance?
no, that's would be a chemical change :) .
Is mixing salt and sugar a physial change?
No, mixing sugar and chocolate is not a chemical change. It's a physical change.
Is slicing an apple is a chemical change or a physical change?
This is a physical change. You only change the shape and size of an apple by slicing it. Chemical changes would mean changing the molecular composition of the apple.
Is tearing of clothes a chemical change?
No it is a physical change because it can be sewn back together and changed. A chemical change would mean tha it couldn't be undone like burning oil. The oil one would not be able to get back.
Is oil and water being shaken together to make salad dressing a chemical change?
chemical change. the dressing and mayonnaise changed completely to form the sauce.
What does evidence chemical change mean?
It means it has evedince to change
Is ground floor a chemical change?
If you mean ground flour, then no. Grinding flour is a physical change because there is no change in chemical composition.
Is decaying matter a physical or chemical change?
It's a chemical change. A chemical change is any change that causes a substance to change into another substance. A sign to know whether it's a chemical change or not, are the changes in odor. When something decays the change in smell is very powerful. Therefore, it is a chemical change.
Is 2NaCl a chemical reaction or a physical change?
NaCl itself is not a change. If you mean the formation of it from sodium ad chlorine, however, it is a chemical change.
When you see stuff is that a chemical change?
This question is extremely general (no offense) but if by you mean "see stuff" you mean producing a new substance, then yes, it is a chemical change.
When a change has occurred in the mean of the process distribution the result is referred to as?
A level shift
