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CO2是初中化学教材中很重要的化合物,综观近年来全国各省市的中考化学试题,CO2知识常考常新。本文就中考试题中涉及“CO2”的应用的一些问题作初步探析。一、“温室效应”中的CO2例1(2002年云南省昆明市中考试题下图为二氧化碳在自然界的循环示意图。表明二氧化碳对自然界的生?
CO2 is a very important chemical compound in junior high school chemistry textbooks. Looking at the chemistry test questions in various provinces and cities in China in recent years, CO2 knowledge is often used as a new test. This paper makes a preliminary analysis of some issues related to the application of “CO2” in the mid-term examination questions. I. Example 1 of CO2 in the “Greenhouse Effect” (2002). The following picture shows the carbon dioxide cycle in nature. It shows that carbon dioxide is responsible for the natural environment.