What kind of chage are the followig process - Physical or chemical 
 
Heating of Iron Rod to red hot ?
 

Asked by archita123 | 27th Apr, 2015, 08:35: PM

Expert Answer:

Heating a iron rod is a physical change, as when it is cooled, it can come back to its original state. That means it is a reversible physical change.

Answered by Prachi Sawant | 28th Apr, 2015, 08:41: AM