acid and copper

I was wondering, whether acid would eat up copper burner head--not being a metallugist, I am ignorant. Some burners are made of brass, but some are copper. Have you noticed any reaction of copper to the acid bath?

I am hesitant to find out, and I use carburator cleaner. I fill the burner up with it and leave the burner for a while, and it dissolves the carbon deposit inside. Then I use pipe cleaner (cotton with embedded copper wire) to clean the inside as far as it will go. Then I flush with water. I may then additionally treat it with heat, in order to burn off any residue.