Three shining iron nails Kept unday the following conditions. a) kept open in attest tube containing А wet cotton.

B )kept in a closed container quick lime

c) About half protein of the nail is kept immrest in sodium chloride solution

questions:-

1) al which of these nails get rusted ? o

2)identify the nail which does not undergo rusting Give reason

3)Suggest a method to prevent corrosion of iron