What will be the consequence if iron will be exposed in dry air with anhydrous crystal kept inside?
Complete rusting will be seen
Partial Rusting will be seen
No rusting will be seen
None of these
Dry air with anhydrous crystal will have no water vapour which is an essential condition for rusting.
If rusting of iron is a chemical change than how it converts back to its original form (iron). As I have seen that if we pore cold drinks on rusting iron and keep it for sometimes. And then if we wash the iron with water than it will convert back to its original form. I have seen with my own eyes......