【简答题】某同学对酸碱盐的知识进行了以下的梳理 (1)填写下表空格中的化学式: A B (2)为理解稀盐酸和氢氧化钠两者之间发生反应的微观实质,绘制了上图A.请你在右边的圆圈中填入适当的化学式或离子符号: (3)此同学通过查阅资料,发现许多反应都有盐类物质生成(如图B).比如①用稀硫酸除铁锈;②古代记载的湿法冶金技术有“曾青得铁则化为铜”,其中“曾青”是指硫酸铜溶液.请从①、②中任选一个,写出反应的化学方程...
【简答题】Amy and Mark Blaubach were very excited about adopting a child from an orphanage (孤儿院). They thought they would adopt a baby girl. After waiting one and a half years, the social worker asked them to c...