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प्रश्न
What are the two different types of molecules found in the soap?
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उत्तर
- Loving water molecules.
- Hating water molecules.
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संबंधित प्रश्न
Why do soaps not form lather in hard water?
Distinguish between esterfication and saponification reaction with the help of the chemical equations for each.
Consider the following oils :
(I) Mobil oil
(II) Castor oil
(III) Turpentine oil
(IV) Kerosene
(V) Mustard oil
(VI) Coconut oil
Which of these can be used for prepartion of soap?
(a) I, II, III, VI
(b) II, V, VI
(c) II, III, V, VI
(d) II, III, VI
What are detergents chemically? List two merits and two demerits of using detergents for cleansing. State the reason for the suitability of detergents for washing, event in the case of water having calcium and magnesium ions.
What is meant by ‘surface activity’?
Explain why soap cannot be used in hard water.
Water, coconut oil, and _______ are necessary for soap preparation.
How does soap clean clothes?
______ molecules go and join with dirt and oil in the cloth.
- Write the formula and draw electron dot structure of carbon tetrachloride.
- What is saponification? Write the reaction involved in this process.
