NCERT Class XII Chemistry
Chapter - Chemistry in Everyday Life
Questions with Solutions
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Question : 24
Total: 32
Can you use soaps and synthetic detergents to check the hardness of water?
Solution:
Soaps and detergents can be used to check the hardness of water. Hard water forms curdy white precipitate with C a 2 + and M g 2 + ions present in hard water whereas no such precipitates are formed by detergents in hard water.
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