实验基本操作知识相对于实验能力来说,是“死”的知识,只要平时多留意、多总结、强记忆就可以了。通过考试发现,很多学生对实验基本操作知识掌握得很不扎实,或因语言表达欠准确而失分,如“沉淀的洗涤”“容量瓶的查漏”“气密性的检查”“仪器洗涤干净的标志”等,现将考试中易出错的问题总结如下: 1．常温下浓硫酸可贮存于铁制或铝制容器中,说明常温下铁和铝与浓硫酸不反应。 The experimental basic operating knowledge is “dead” knowledge in relation to the experimental ability, as long as you usually pay more attention, more summary, and strong memory. Through examinations, many students find that the basic operation knowledge of the experiment is not very solid, or they lose points because of the inaccurate expression of language, such as “precipitation washing”, “checking leakage of volumetric flask”, “examination of airtightness”, “instrument washing The ”clean sign" and so on are summarized as follows: 1. Concentrated sulfuric acid can be stored in iron or aluminum containers at room temperature, indicating that iron and aluminum do not react with concentrated sulfuric acid at room temperature.