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प्रश्न
Give the reason of formation of scum when soaps are used with hard water.
उत्तर
When soaps are used with hard water they form scum. This is caused by the reaction of soap with the calcium and magnesium salts, which cause the hardness of water.
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संबंधित प्रश्न
Distinguish between esterfication and saponification reaction with the help of the chemical equations for each.
Mention the essential material (chemicals) to prepare soap in the laboratory. Describe in brief the test of determining the nature (acidic/alkaline) of the reaction mixture of saponification reaction.
What are the raw materials required for making soap in a laboratory (or at home)?
Describe the structure of a soap molecule with the help of a diagram.
Why are soaps not suitable for washing clothes when the water is hard?
Explain why synthetic detergents are superior to soap.
Soaps were originally made from ______.
The saponification of a fat or oil is done using _____ solution for hot process.
How does soap clean clothes?
______ to remove strong strains on the clothes.
