J.K. Rowling is describing the effects of a sunny summer in Ron and Hermioneâs skin, to which we can suppose Hermione is tanned. Other passages of the seven-part novel talks about Hermioneâs cheeks going pink â which could lead again to a white skin.
Baking Soda. Using baking soda is another way to remove rust from metal. You can make a paste by mixing baking soda and water. Make sure that the solution is pasty enough to adhere to the surface, then spread it onto the metal and let it sit. After the rust is loose, you can scrub it off.
How to Remove Rust from Chrome Surfaces. The most effective rust removal technique for chrome surfaces is to rub the stain with a small piece of aluminium foil that has been dipped in water or vinegar. This works by transferring electrons between the two metals, which will reverse the rusting process.