Description of copper sheet properties

A reddish brown shiny and ductile metal, with a powdery form of light rose red powder; The color darkens when exposed to the air, and green alkaline carbonates form on the surface in humid air. They are easily soluble in dilute nitric acid and hot concentrated sulfuric acid, soluble in hot concentrated hydrobromic acid, and slowly soluble in cold hydrochloric acid, dilute sulfuric acid, and ammonia water; Can react with acetic acid or other organic acids