题目

It's not a new phenomenon, but have you noticed how many nouns are being used as verbs? We all use them, often without noticing what we're doing.     I was arranging to meet someone for dinner last week, and I said “I’ll pencil it in my diary”, but my friend said “You can ink it in”, meaning that it was a firm arrangement not a tentative one!     Many of these new verbs are linked to new technology. An obvious example is the word fax. We all got used to sending and receiving faxes, and then soon started talking about faxing something and promising we'd fax it immediatel如图是某同学用于实验室制取气体的装置图：（1）写出仪器名称：a：________b：________．（2）若该装置用于实验室制取O2，则锥形瓶内应加入固体________，a中加入的液体是________．若用带火星的木条伸入集气瓶口、瓶中、瓶底检验所生成气体时，均未见木条复燃，则可能的原因是________．（3）若该装置用与实验室制取二氧化碳，相应的化学方程式为________．检验该气体是否收集满的方法是________．（4）若该装置用于实验室制取氢气，则收集装置应做何修改？________．（5）小试管的作用是________．