what is the difference between hard soap and soft soap
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A soft soap tends to dissolve in water more readily.
The presence of ions of the soap is able to stabilize and get dispersed in water.
Hard soaps, due to presence of ions make dissolution in water a very herculean task. In short, soft soap dissolves readily whereas hard soap does not.
The presence of ions of the soap is able to stabilize and get dispersed in water.
Hard soaps, due to presence of ions make dissolution in water a very herculean task. In short, soft soap dissolves readily whereas hard soap does not.
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In the industrial manufacture of soap, tallow (fat from animals such as cattle and sheep) or vegetable fat is heated with sodium hydroxide. Once the saponification reaction is complete, sodium chloride is added to precipitate the soap. The water layer is drawn off the top of the mixture and the glycerol is recovered using vacuum distillation.
The crude soap obtained from
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