Question

explain the formation of scum when hard water is treated with soap ?

what is hydrogenation ?​

Answer 1

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Explanation:

When a soap is used in hard water, a solid substance we call scum forms. This is because charged calcium and magnesium particles (called ions ) present in the water react with soap to form an insoluble substance. ... The new substance, scum, does not dissolve in water.

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Answer 2

1.Answer

=> Soap does not work properly when the water is hard Ashok sodium or potassium salt of long chain fatty acid and water content salt of calcium and magnesium. when soap is added to hard water calcium, magnesium and present in water displaced sodium or potassium ion formed the soap molecules forming and insoluble substance called as scum .A lot of soap is what I waited in this process.

2.Answer

=> Hydrogenation is the process of addition of hydrogen in saturated hydrocarbon aluminium and nickel saturated hydrocarbons.

This reaction is applied in hydrogenation of vegetable oil which contain long chain of unsaturated carbon.

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