英语翻译
问题描述:
英语翻译
Post 1982 pennies have a zinc core with a thin copper outer shell.Using your activity series predict what would happen if a post 1982 penny were put into a solution of hydrochloric acid?
答
82年之后的硬币为芯核外包铜.用活度顺序来预测,如果将82年后的硬币放入盐酸中,会发生什么?