Task: To produce pure water from saline water. Required accessories: 1 distillation apparatus, 500 milliliters of saline water. Procedure: Place the distillation apparatus (as in figure) and take saline water in the receiving flask (round…

Task: To make suspension. Required accessories: l glass of glass, spoon, mud of soil and water. Procedure: Take a glass and fill two-third portion of it with water. Add a one spoon full mud of…

A colloid is solutions that has particles ranging between 1 and 1000 nanometers in diameter, yet are still able to remain evenly distributed throughout the solution. In case of suspensions we saw that the small…

Task: To make pure salt from impure salt. Required accessories: The heterogeneous mixture of impure salt, stirrer, tripod stand, wire-net, funnel, filter paper, stand with the ring, water. Procedure: At first take a filter paper…

Task: To make crystals of salt from saline water. Required accessories: 2 beakers, spoon, stirrer, tripod stand, wire-net, funnel, spirit lamp, filter paper, stand with ring, some impure salt and water. Procedure: Make a mixture…

Task: To make homogeneous mixture. Required accessories: One beaker, measuring flask, spoon, stirrer, 4 watch glasses, glucose, water, wire-net, tripod stand and spirit lamp. Procedure: Using a measuring flask take 200 milliliters of (a different…

Task: To make heterogeneous mixture of impure salt and water. Required accessories: One beaker or glass, spoon, stirrer, impure salt, water and measuring flask. Procedure: Using a measuring flask take 200 milliliters (different amount may…

Laboratory method of preparation of aniline Principle: In the laboratory, when nitrobenzene is heated with tin and HCl, aniline is formed. The reaction of tin (Sn) and conc HCl produce nascent hydrogen and SnCl2 or…