摘要
本文改进了三个化学课堂教学的演示实验,并取得较为理想的结果,可供中学化学教师教学参考。
The paper is mainly about the explovation and research on the threedifferent types of chemical demonstrating experiments,which has been proven successful and will give special help to chemical teachers of miadle schools.
出处
《辽宁师范大学学报（自然科学版）》
CAS
1990年第3期80-82,87,共4页
Journal of Liaoning Normal University:Natural Science Edition
关键词
化学实验
取代反应
电解
原电池
swbstitution reaction
electrolysis
primary cell
