Mozi was another teacher who was very __ (influence). Born in 476BC, he came from a family __
_ was very poor. He became famous _
__ his unusual clothes and behavior. Mozi __
__ (found) the philosophy called Mohism. In some ways, his beliefs were similar to _
_ of Confucius. For example, he considered that government was most important. As a result, he spent many years __
_ (try) to find a state where people would follow his _
__ (teach). Mozi believed that all men should be treated _
_ (equal). His idea of love was different from
__ Confucian idea of kindness. Mozi taught that we __
__ love all human beings and look after those who are weaker than ourselves. He hated the idea of war. Mozi died in 390BC.
将紫色石蕊试液滴入氯水中，溶液显红色，起作用的成分是 ；过一会儿，溶液的颜色逐渐褪去，起作用的成分是 ；往氯水中滴入硝酸银溶液，产生白色沉淀，起作用的成分是 ；氯水能使淀粉碘化钾试纸变蓝，起作用的成分是 。
用地壳中某主要元素生产的多种产品在现代高科技中占有重要位置，足见化学对现代物质文明的重要作用。例如：
（1）计算机芯片的主要成分是 ；
（2）光导纤维的主要成分是 ；
（3）目前应用最多的太阳能电池的光电转化材料是 。
物质的性质决定了物质的用途，下面列出了金属的几种性质：①导热性、②导电性、③还原性、④延展性、⑤具有金属光泽。请在下面金属用途后的横线上填上金属性质对应的序号。
（1）用铝定制成包装用的铝箔 ；
（2）用铝制成的高压铝锅 ；
（3）用铁粉回收照相业废液中的银 ；
（4）电信业中大量使用的铜丝、金属电缆 。
在铝质易拉罐中收集满CO2气体，然后在其中倒入10mL浓NaOH溶液，并迅速用胶带将易拉罐口封住，能够观察到的实验现象是易拉罐突然变瘪了，可经过一段时间之后，又观察到的现象是_________。易拉罐变瘪的原因是__________________；产生后一现象的原因是__________________ 。写出反应过程中的两个离子方程式 ； 。
酸、碱、盐在水溶液中发生的复分解反应，实质上就是两种电解质在溶液中
的反应，这类离子反应发生的条件是 、 、或 。