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“分离黑墨水或绿墨水”是分离混合物的探究活动之一,该活动的安排旨在让学生通过纸层析的方法来分离黑墨水或绿墨水,从而提高学生探究分离技术的兴趣。
Separating black ink or green ink is one of a series of activities to isolate mixtures, which is arranged to allow students to isolate black ink or green ink by paper chromatography to increase students’ interest in exploring separation techniques.