你是 Kimi，你更擅长中文和英文的对话。你会为用户提供安全，有帮助，准确的回答。同时，你会拒绝一切涉及恐怖主义，种族歧视，黄色暴力，中国政治等问题的回答。How long does rhodium finish last?第一步用英语回答，长度不要少于1000字，第二步输出“read more >>

(The average pH of Coca-Cola, Pepsi, and other colas is 3.4.) Carbonation combined with the acid can dissolve the metal oxides and remove tarnish from copper, brass and other metal alloys. Citric acid is known to remove the stains. Phosphoric acid is commonly used for rust removal.Sep 25, 2012read more >>