Question

Experiment:- Preparation of Soap​

Answer 1

Answer:

Explanation:

in this experiment, you will make soap from a fat or an oil by heating it with sodium hydroxide. You will precipitate the soap by adding it to a concentrated salt solution, and then you will collect the solid soap using vacuum filtration.

Answer 2

‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ Preparation of Soap

Aim :

• To prepare Soap in laboratory.

Materials Required :

• 10gms. of vegetable oil, 20ml. of 6M NaOH, 20ml. of 95% Ethyl alcohol and 40gms. of NaCL.

Principle :

• Oils on saponification form soap.

Procedure :

• Take 10gms. of vegetable oil in a breaker and add 20ml. of 6M sodium hydroxide. Heat the mixture for 30 minutes without boiling.
• Then add the mixture of 20ml. of 95% Ethyl alcohol and 20ml. of water.Stir the mixture and cool in an Ice bath for 10 minutes.
• Filter the presipitated soap with a cloth. Wash the filtered soap with ice cold water, dry and place in a glass tray.

Result :

• Soap is prèpared.