chemical complex

Function

Intended for experimental study, science or chemistry laboratory work, and conducting experiments on: Chemistry. Thermal sensation and temperature. Thermal sensations in water at room temperature and heated water. Thermal sensations in water at room temperature, ice water, and heated water. Comparing thermal sensation with the temperature indicated by a thermometer. Separating objects using a magnet. Magnetic force and the force of gravity. How to determine the density of a liquid using a hydrometer? Specific mass. Relative density. Precautions when measuring density with hydrometers. Producing oxygen through a chemical reaction. The hydrogen peroxide test. The ember test. How to separate homogeneous mixtures using paper chromatography? Adsorption, a surface phenomenon. How to relate the properties of substances through electrical conductivity? How to test the pH of different substances? etc.