Question

The diagram shows iron nails in three different test tubes.In which test tubes the iron nails will rust least and and most .Also give reason.​

Answer 1

Answer:

there is no diagram,pls post the it first

Answer 2

Explanation:

In test tubes Q and R, corrosion of nails will not take place.

For corrosion to take place, air ( or oxygen), water and iron, all three should be in contact.

In test tube Q, layer of oil separates air from nails and boiled distilled water.

In test tube R, anhydrous calcium chloride ensures that no moisture is present.