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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
8 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
8 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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