Question

Keep a cut lemon on discarded shaving blade and observe corrosive nature of acid and write a note on it

Answer 1

When speaking of lemon, you need to keep in mind that lemon is a good source of citric acid. As per the science, citric acid is known for its property to remove rust very much effectively. The general power of the citric acid to act on stainless steel (Shaving blade) would depend on a number of other factors.

One of the most important points to keep in mind here is that if the blade is wet then the citric acid behaves less corrosive on rust. If no water is present then citric acid will effectively remove the rust from the blade making the metal bare and clean.

To effectively clean the shaving blade you may have to keep it immersed in citric acid for some time and then clean it with damp cloth.