if we left iron nail. it cover with brown film called Rust. can you change the back into iron by simple methods? do you think that is differ from iron? is formation of the is chemical change?
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Answer:
Yes, rust is chemically different from iron.
No
Yes, it is a chemical change.
Setting of curd from milk.
Burning of magnesium ribbon to form magnesium oxide.
999anju:
By applying paint greasing oiling
thanks a lot for this
You're welcome
if we can convert it back into iron than how it is chemical change
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