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Limitation of soap.....❓❓❓

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Limitation of soap.....❓❓❓

Posted by Ishika ? 5 years, 5 months ago

CBSE > Class 10 > Science

3 answers

Yogita Ingle 5 years, 5 months ago

Soaps do not act efficiently in hard water due to presenc eof of Ca²⁺ and Mg^2Negative and it gives insoluble calcium and magnesium salts of fatty acids. These precipitates called scum,stick to the fabric and make thier cleaning difficult.

1Thank You

Ishika ? 5 years, 5 months ago

Thank you Lucifer....

0Thank You

Lucifer ? Morningstar? 5 years, 5 months ago

1) Soap doesn't work well in the hard water as they form scum instead of lather. 2) This scum sticks to the cloth and makes washing difficult, some times the colour of the fabric also fades away. 3) They are not suitable for some fabric likes silk, wool as the alkalis spoils the fibre.

1Thank You

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CBSE > Class 10 > Science