How would you decide whether a change is physical or chemical? Mention two characteristics of each of them.
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Answered by
64
If a new substance is formed then it is chemical change,but if no substance is formed then it'll be physical change.
Physical change: this change is reversible.
No new substance is formed
Chemical change:this change is irreversible.
New substance is formed.
Physical change: this change is reversible.
No new substance is formed
Chemical change:this change is irreversible.
New substance is formed.
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Answer:
In chemical change new substance are formed but in physical change no new substance are formed.
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