How would we decide whether a change is physical or chemical mention t

1.	How would we decide whether a change is physical or chemical mention two characteristic of each kind of change
Answer» hey.. if that substance is reversable or the substance in the BEGGINING is BROUGHT back again by COOLING then it is PHYSICAL change or else if u are not GETTING or it is irreversable then it is a chemical change :)

How would we decide whether a change is physical or chemical mention two characteristic of each kind of change

Answer»

hey..

if that substance is reversable or the substance in the BEGGINING is BROUGHT back again by COOLING then it is PHYSICAL change or else if u are not GETTING or it is irreversable then it is a chemical change

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How would we decide whether a change is physical or chemical mention two characteristic of each kind of change

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