问题
问答题
宋时，江西上饶有一苦泉，当地人用铁锅熬苦泉的水获得胆矾，结果发现铁锅用久了变成了铜锅，其中包含什么化学道理．
答案
水中含有硫酸铜溶液，硫酸铜溶液与铁锅反应生成了铜，覆盖在铁锅表面．
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宋时，江西上饶有一苦泉，当地人用铁锅熬苦泉的水获得胆矾，结果发现铁锅用久了变成了铜锅，其中包含什么化学道理．
水中含有硫酸铜溶液，硫酸铜溶液与铁锅反应生成了铜，覆盖在铁锅表面．
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| A young man was getting ready to gradually from college, for many months he had 1 a beautiful sports car in a dealer's showroom, and 2 his father could well 3 it, he told him that was all he wanted. On the morning of his graduation day his father called him into his own study and told him how 4 he was to have such a fine son. He handed his son a beautiful gift box. 5 but slightly disappointed, the young man 6 the box and found a lovely book, 7 , he raised his voice at his father and said. " 8 all your money you give me a book?" And rushed out of the house 9 the book in the study. He did not contact (联系) his father for a whole year 10 one day he saw in the street an old man who looked like his father. He 11 he had to go back home and see his father. When he arrived at his father's house, he was told that his father had been in hospital for a week. The moment he was about to 12 the hospital. He saw on the desk the 13 new book, just as he had left it one 14 ago. he opened it and began to 15 the pages. Suddenly, a car key 16 from an envelope taped behind the book, it had a lag (标签) with dealer's name, the 17 dealer who had the sports car he bad 18 on the tag was the 19 of his graduation, and the 20 PAID IN FULL. | ||||
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