Page No 455: - Chapter 16 - Chemistry In Everyday Life - Exercise Solutions - Ncert Solutions class 12 - Chemistry
Updated On 26-08-2025 By Lithanya
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Page No 455:
Question 16.26:
If water contains dissolved calcium hydrogen carbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes?
Answer:
Synthetic detergents are preferred for cleaning clothes. When soaps are dissolved in water containing calcium ions, these ions form insoluble salts that are of no further use.
However, when synthetic detergents are dissolved in water containing calcium ions, these ions form soluble salts that act as cleansing agents.
Question 16.27:
Label the hydrophilic and hydrophobic parts in the following compounds.
(i) 
(ii) 
(iii) 
Answer:
(i) 
(ii) 
(iii) 
