Problem 17
What are artificial sweetening agents ? Give two examples.
Problem 18
Name the sweetening agent used in the preparation of sweets for a diabetic patient.
Problem 21
Explain the following terms with suitable examples (i) cationic detergents (ii) anionic detergents and (iii) non-ionic detergents.
Problem 22
What are biodegradable and non-biodegradable detergents ? Give one example of each.
Problem 25
Explain the cleansing action of soaps.
Problem 26
If water contains dissolved calcium hydrogencarbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes ?
Problem 27
Label the hydrophilic and hydrophobic parts in the following compounds. (i) \(\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{10} \mathrm{CH}_{2} \mathrm{OSO}_{3} \mathrm{Na}\) (ii) \(\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{15} \stackrel{+}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \overline{\mathrm{Br}}\) (iii) \(\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{16} \mathrm{COO}\left(\mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{O}\right)_{\mathrm{n}} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
