Where do they belong to physical change or a chemical change..
•Shape,phase,size of the material can change
•Not easily reversed
•New products is form
•Often just a state change
•Often heat/light/sound occur
•No new products
•It is temporary change
•It is permanent change
•Composition of matter
•Shape,phase,size of the material can change
•Not easily reversed
•New products is form
•Often just a state change
•Often heat/light/sound occur
•No new products
•It is temporary change
•It is permanent change
•Composition of matter
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Answer:
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.