【简答题】The cartoon series , Tom and Jerry, is a very popular program. What do you think of it ? Come on and try our question. NAME: Paul Smith AGE: 12 SCHOOL: primary school. Questions and Comments (very sat...
【简答题】(10分)钢铁工业是国家工业的基础。请回答钢铁冶炼、腐蚀、防护过程中的有关问题。 (1)工业用热还原法炼铁,写出由CO还原赤铁矿(主要成分为Fe 2 O 3 )的化学方程式: _______________________________________ 。 (2)铁在潮湿的空气中容易被腐蚀为铁锈( Fe 2 O 3 ?x H 2 O),写出铁发生电化学腐蚀时负极的电极反应:___________...