Question

Why is common salt added during the preparation of soap by mixing vegetable oil and caustic soda A) to increase the washing potency of the soap B) to lower the solubility of soap and help to precipitate C) to increase the weight of the soap D) none of the above

Answer 1

• Air moves on earth because of the variation in the physical parameters such as pressure and temperature.

• For instance, if the temperature of a region is high; then the air becomes warm and rises up.

 • Over a period of time it is transformed into wind blowing from one place to another.

Answer 2

Air moves on earth because of Why is common salt added during the preparation of soap by mixing vegetable oil and caustic soda A) to increase the washing potency of the soap B) to lower the solubility of soap and help to precipitate C) to increase the weight of the soap D) none of the abovethe variation in the physical parameters such