glass jar set

Take two glass jars A and B. Collect sulphur dioxide gas in jar B and let jar A contain air. Carefully invert jar B containing sulphur dioxide, over the jar A containing air. Keep it for a few minutes (Fig. 7.3). Remove jar ..

Yellow phosphorus is placed in a graduated tube arranged as shown in Jar- A of Fig.5.4 (b). Leave this arrangement for a few days. Phosphorus smoulders, making use of the oxygen in air enclosed in the tube. Water enters the glass tube and reaches about 21 ml mark (Jar..

Take a bell jar. Towards its rounded end, fix a 'Y' shaped glass tube and on the open ends of the two branches tie a balloon each. On its open end, tie a thin rubber sheet. The cavity of the bell jar acts as the thoracic cavity, the "Y" shaped tube as the trachea that..

A narrow and long hollow tube of glass or a metal, open at both ends is taken. It is partially immersed vertically in a tall jar containing water. The length of the tube above the water level in the jar serves as an air column whose natural frequency depends on its len..

If a bottle of perfume is opened in one corner or a room, it spreads in the whole room by diffusion. Experiment 3: A gas jar of bromine and a jar of air are placed, separated by a cover plate. The cover plate is removed so that the two open ends of the jars are in c..

The apparatus is set up as shown in figure 7.1. Sodium sulphite or bisulphite is taken in a round bottom flask. Dilute sulphuric or hydrochloric acid is added through the dropping funnel and heated gently. SO 2 vapors get displaced upwards and are passed into a jar contain..

The apparatus is set up as shown in figure 6.15. The combustion tube is heated strongly and concentrated nitric acid is allowed to flow into it. Due to the heat, it decomposes, liberating the corresponding gases. Reddish yellow fumes of nitrogen dioxide, water vapour and a colourless..

. On suddenly inverting the glass tube, he observed that guinea fell down faster than the feather. He repeated the experiment by removing air with the help of an air pump which was connected to the brass tube. He found that both the guinea and the feather fell down at the same time, when ..