There are various brass cleaning agents available to polish brass such as (in UK) Brasso, and Duraglit. These should be applied, left to dry then polished off using a lint free cloth or duster.
A word of warning. If your brass instrument is gold or silver plated or is lacquered do not use these products! It will remove the plating or lacquer.
Silver has special non abrasive cleaning agents available such as 'silverglit' and Gold plating like lacquered instruments only need a rub off with a lint free cloth or duster.
Every so often to prevent the build up of gunk in the tubing of the Trumpet, you should immerse the instrument in warm soapy water and dislodge any bacterial growths (brass verdigrease) with a spiral brush inserted into the tubes. Kits for these are available at any music shop.
the trumpet is made of brass or sometimes silver.
The trumpet is a brass instrument, not a woodwind instrument.
Assuming you mean, are the words "clean those brass" adjectives, the answer is no, maybe, and yes Clean is a verb. Those is a demonstrative pronoun. (Some people might call this a form of adjective, as it is a modifier.) Brass is an adjective: a brass trumpet, a brass bookend. Note that brass is also a noun in some uses: the brass on that uniform is shiny, the brass in this orchestra is very good
The trumpet has no reeds. It is a brass instrument, which means the mouthpiece is a single piece of brass.
Seriously? No, seriously? The trumpet belongs to the brass family because it is MADE of BRASS, as are all instruments in the BRASS family...
A Trumpet is from the Brass family.
The Flute is in the Woodwind section/family and the Trumpet is in the Brass section/family.
It's made of brass
If I understand your question correctly, there are many different types of trumpets including (but not limited to) a Bb trumpet, C trumpet, D trumpet, Eb trumpet, Piccolo trumpet, flugelhorn, pocket trumpet, cornet, natural trumpet, rotary trumpet, and many other various styles and families of a trumpet. More can be researched on different websites that specialize in answering this question as well. - Basically BRASS
A Trumpet is a music instrument that is a member of the brass family. The sound of a trumpet is called a taratantara.
brass
Brass.