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प्रश्न
How are transparent soaps manufactured?
उत्तर
Transparent soaps are prepared by dissolving the soap in ethanol and then evaporating the excess solvent.
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संबंधित प्रश्न
Write the chemical equation for preparing sodium soap from Glyceryl palmitate . Structural formulae of the compounds are given below.
(C15H31COO)3C3H5 – Glyceryl palmitate
Write balanced chemical equations for the action of hydrogen bromide on styrene in the presence of a peroxide
Write balanced chemical equations for the action of methyl bromide on silver propanoate
How soap is prepared?
What is the side product of soap industry? Give reactions showing soap formation.
What is the difference between bathing soap and washing soaps?
Match the soaps given in Column I with items given in Column II.
| Column I | Column II |
| (i) Soap chips | (a) dried miniature soap bubbles |
| (ii) Soap granules | (b) small broken pieces of soap formed from melted soaps |
| (iii) Soap powder | (c) soap powder + abrasives + builders \[\ce{(Na2CO3,Na3PO4)}\] |
| (iv) Scouring soap | (d) soap powder + builders like \[\ce{Na2CO3}\] and \[\ce{Na3PO4}\] |
Match the detergents given in Column I with their uses given in Column II.
| Column I | Column II |
(i)  |
(a) Dishwashing powder |
(ii)  |
(b) Laundry soap |
| (iii) \[\ce{C17H33CO\overset{-}{O}\overset{+}{N}a + Na2CO3 + Rosin}\] | (c) Hair conditioners |
| (iv) \[\ce{CH3(CH2)16COO(CH2CH2O)nCH2CH2OH}\] | (d) Toothpaste |
Assertion: Sodium chloride is added to precipitate soap after saponification.
Reason: Hydrolysis of esters of long-chain fatty acids by alkali produces soap in colloidal form.
Self-cleansing windows are example of the ______.
