Question

Ramesh , a carpenter , makes exquisite furniture. While going out for holiday , he left the iron nails on the floor outside his shop during rainy season. When he returned he found them coated with reddish brown colour. Name the process that occurred.
A-evolution of gas
B-precipitate formed
C-x
X can be anything so name the process.And explain how it happened or occurred.

Answer 1

Answer:

C. Rusting of the iron nails due to exposure in air