if it is bmx that your on about, you cannot really do it, you will have to buy a whole new rim. .
yes a scratch can be buffed out of a chrome rim with some chrome polish and a buffer.
yes, the Red Stainlesssteel Rim Outdoor Tableware Set is very scratch resistant.
All rim brakes work by friction against the rim, and will eventually wear the brake surface on the rim down.
Only if you've gotten some dirt/grit lodged in the brake pad. Do note that all rim brakes will eventually cause some degree of wear on the rims.
If is actually chrome, there is no way to repair it PROPERLY without having the whole wheel rechromed. If it is not chrome but polished aluminum, a light scratch can be sanded out. Beware though, that most newer wheels have a clearcoat over them which you will also sand off. Once that happens the repaired area will corrode.
Scratch and scrimp
RIM owns RIM
The U.S. Mint did not make a nickel penny in 1977. If you have one it may be a regular penny with a coating or plating of some sort on it. Scratch the rim and see if there is copper underneath.
There is no 'rim of heaven'
From rim to rim
To scratch is a verb and a scratch is a noun.
The apostrophe belongs in the phrase as "the glasses' rim" to indicate that the rim belongs to the glasses.