If you leave a piece in open for few days, it acquires a film of brownish substance, called rust. a) Do you think rust is different from iron? b) Can you change rust back into iron by simple method? c) Do you think formation of rust from iron is a chemical change? d) Give two other example of similar type of change.
Answers
Answered by
2
yes it is different.it is Fe2O3.xH2O .no it cannot be changed.yes it is chemical change.
2Mg(s)+O2‐—>2MgO
burning of paper
Answered by
2
Answer:
Yes ,
Burning of paper..
Similar questions