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why do soaps not work under hard water

why do soaps not work under hard water

Grade:12

2 Answers

Prajwal kr
49 Points
11 years ago

The Ca2+ and Mg2+ ions in hard water form scum with soap. Thus they don''t form lather and thus don''t clean the dirt.

sanjay sanjeev patro
43 Points
11 years ago

BEACAUSE HARD CONTAIN CA+2 AND MG+2 IONS,GIVE MEFNASIUM AND CALCIUM FATTY ACIDS  ,SO WATER DOES NOT REACT THOSE IONS SO SOAPS DOT WORK IN HARD WATER ,

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