Question

Give the reason of formation of scum when soaps are used with hard water

Answer 1

shop are prepared by the process of carbonization and fertilization are of two types first cold process and second hot process

Answer 2

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☺ Hello mate__ ❤

◾◾here is your answer.

✒Soap does not much useful when the water is hard.

✒Scum formation:--

1) A soap contain sodium or potassium salt of long chain fatty acids. Hard water contains salts of calcium and magnesium.

2)When soap is mix with hard water, calcium and magnesium ions present in water replace by sodium or potassium ions from the soap molecules forming an insoluble substance called scum.

✒ A lot of soap is wasted in the process.

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I hope, this will help you.☺

Thank you______❤

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