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Q: What is most likely sign that a chemical change has happend?
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Which chemical change is most likely to involve bubbling or an odor?

A chemical change doesn't occur.


What chemical change is most likely to involve bubbling or an odor?

This is a chemical reaction.


What is the difference between physical and chemical weathering change?

chemical weathering change will most likely make a new substance


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Burning is most likely chemical


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It is a chemical change anytime you burn something it will most likely be chemical change because something new comes out, for example when you burn the leaves you will get ash which is something the leaves did not have before! your welcome!:)


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Growing vegetables can be a chemical process. However it is most likely that growing vegetables is a physical process because the chemical composition does not usually change.


What is most likely sign that a chemical change has happened?

Two liquids are mixed at room temperature and a gas forms.


Is a leaf turning brown a physical or chemical change?

Photosynthesis makes a leaf green so when it turns brown it has stopped doing photosynthesis so most likely it is chemical change. Helpful enough? :|