Copper Tablets are reddish-brown shiny and malleable metal, and the powder is light rose red powder; the color becomes dark in the exposed air, and the green alkali carbonate is formed on the surface in the moist air, which is easily soluble in dilute nitric acid and heat Concentrated sulfuric acid, soluble in hot concentrated hydrobromic acid, slowly soluble in cold hydrochloric acid, dilute sulfuric acid and ammonia; can react with acetic acid or other organic acids.
