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物质制备题是考查学生的思维、动手、创新能力的综合类题目,它要求同学们不仅要掌握各类物质间的相互反应规律,还要了解物质制备的可能途径,然后综合选优。物质制备有两种情况:①依据各类物质的相关性质,根据所给材料,设计制备某物质的可能途径;②依据各类物质的相关性质,根据所给材料,设计制备某物质的可能方法。
Material preparation questions are comprehensive topics that examine the students’ thinking, hands-on, and innovative abilities. They require students to not only master the interaction laws among various substances, but also understand the possible ways of material preparation, and then select comprehensively. There are two situations for material preparation: 1 Based on the relevant properties of various substances, according to the given materials, design possible ways to prepare a certain substance; 2 According to the relevant nature of various types of substances, according to the given material, the possible method of preparation of a certain material .