Answers

2016-02-28T19:19:23+05:30
When the soaps are mixed with hard water they form lather

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it is 2 no ques at least answer it in 4 lines
2016-02-28T22:33:10+05:30
Soaps are not effective cleansing agent in hard water because hard water contains dissolved calcium and magnesium ions which reacts with soap to form an insoluble substance. Hence a lot of soap is wasted in hard water.
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