From the archive record
A science teacher demonstrates a science project before students at a science practical class in Vivekananda Kendriya Vidyalaya in Ziro in Arunachal Pradesh. He takes the wire edge and put the oil plate on the top of it according to him by putting up the oil plate one can control the heat. He takes a mixture of Iron and Sulfur which has been taken in the pet radius, he takes seven gram of Iron and four grams of Sulfur. He put the mixture over the oil plate. After forming the compound he teaches the properties of the compound to the students. While doing this experiment the teacher tells to do another experiment to the students which is the mixture of Sand, Salt and Ammonium Chloride. He tells the students that colors of Iron and Sulfur. He teaches the first property of the compound which i