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·实验预习·１．胶头滴管的正确使用方法．２．什么叫做分子？分子有哪些基本属性？３．物理变化和化学变化．扩散是物理变化还是化学变化？为什么？ ·实验报告·实验目的实验用品仪器：药品和材料： ·典型实验题例析· 例１ 下列现象中，不能用分子运动论解释的是（）． ?
·Experimental preparations 1. The correct use of the plastic dropper. 2. What is a molecule? What are the basic attributes of the molecule? 3. Physical and chemical changes. Is diffusion a physical or chemical change? why? ·Experimental Reports ·Experimental Purposes Laboratory Supplies: Drugs and Materials: ·Experimental Examples of Typical Experimental Questions ·Example 1 The following phenomena cannot be explained by molecular kinematics (). ?