Explain the method of preparation of soap.

1.	Explain the method of preparation of soap.
Answer» The mixture of fats and sodium hydroxide are allowed to boil in the kettle using the steam within the kettle. After boiling, the mass thickness as the fat reacts with the sodium hydroxide producing soap and glycerin. Salt is added to separate soap from glycerin. The soap forms its layer at the top and the glycerin settles at the bottom the glycerin is taken out from the bottom of the kettle. Soap is taken off from the top the soap is then cooled. Oil/Fat + Sodium hydroxide → Soap + glycerol.

Answer»

The mixture of fats and sodium hydroxide are allowed to boil in the kettle using the steam within the kettle. After boiling, the mass thickness as the fat reacts with the sodium hydroxide producing soap and glycerin. Salt is added to separate soap from glycerin. The soap forms its layer at the top and the glycerin settles at the bottom the glycerin is taken out from the bottom of the kettle. Soap is taken off from the top the soap is then cooled.

Oil/Fat + Sodium hydroxide → Soap + glycerol.

Discussion

No Comment Found

Related InterviewSolutions

What were the two main occupations of the Rig Vedic Aryans?
Name the two political institutions which exercised check on the powers of the King in the Rig Vedic period.
What w’as the position of women in the Rig Vedic age ?
Describe the social life of the Rig Vedic Aryans with reference to the following: (a) The Family Structure (b) Position of Women (c) Varna System
With reference to the following explain the main features of the Rig Vedic Economy: (a) Agriculture (b) Domestication of Animals (c) Trade Transactions, Crafts and Transportation
Mention any two archaeological sources to reconstruct the later Vedic Age.
Mention any two of the Ashrams in the life of a man in Aryan society.
What information do we gather from the later Vedic literature in respect of: (a) Spread of Vedic Civilization to many New Regions. (b) Role of Iron in later Vedic Economy.
Mention briefly the rituals and sacrifices of the later Vedic Aryans?
What is the message of the Bhagavad Gita?