If you leave a piece of iron in the open for a few days, it acquires a

1.	If you leave a piece of iron in the open for a 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 some simple method?(c) Do you think the formation of rust on iron is a chemical change?
Answer» If you leave a piece of iron in the open for a 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 some simple method? (c) Do you think the formation of rust on iron is a chemical change?

If you leave a piece of iron in the open for a 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 some simple method?(c) Do you think the formation of rust on iron is a chemical change?

Answer»

If you leave a piece of iron in the open for a 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 some simple method?