Preparation and Comparison of Soaps MCTCteach Org Mctcteach Form

Instructions and help about Preparation And Comparison Of Soaps MCTCteach org Mctcteach

[Music] saponification the process of making soap we require measuring cylinders common salt glass beakers coconut oil 20% any edge solution Bunsen burner funnel [Music] measure 25 ml coconut oil into a measuring cylinder for the oil into a glass beaker take another measuring cylinder and measure 30 ml 20% NaOH solution into it pour it into the beaker containing coconut oil stir the mixture vigorously using a glass rod touch the beaker from outside it will be observed that the beaker is warm this is due to the exothermic reaction between vegetable oil that is coconut oil and sodium hydroxide solution place the beaker on a Bunsen burner and heat it until the mixture becomes a whitish paste the mixture is made up of soap in suspension form and glycerol remove the beaker from the flame and allow it to cool dip a red litmus paper in the suspension formed when dipped in the suspension red litmus paper changes to blue color this shows that the soap solution is basic in nature dip a blue litm