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教育部制订的《义务教育化学课程标准(2011年版)》指出:化学是一门以实验为基础的学科,在教学中创设以实验为主的科学探究活动,有助于激发学生对科学的兴趣,引导学生在观察、实验和交流讨论中学习化学知识,提高学生的科学探究能力。 问题: (1)请列举初中化学3个最基础的化学实验。 (2)通过“粗盐提纯”实验,简要说明过滤应注意的问题。 (3)除了过滤之外,请列举初中化学3个最基本的化学实验技能。
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