一、应用素质的培养是演示实验目的之一演示实验是教师作示范表演，对学生有着言传身教、潜移默化的作用。学生在演示实验中，掌握应用实验原理进行物质的制备、鉴别、鉴定、设计等实验技术，模仿教师，学会正确、规范的实验操作技能技巧。在中学的制气实验中，要求学生首... First, the application of the quality of training is one of the purpose of the demonstration experiment Demonstration experiment is a teacher for demonstration performances, students have a word and to teach, imperceptible role. Students in the demonstration experiment, mastered the application of experimental principles for the preparation of materials, identification, identification, design and other experimental techniques, imitate teachers, learn to correct and standard experimental skills and skills. In the middle school’s gas experiment, students are asked to...