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प्रश्न
Fill in the following blank with suitable word:
The sodium salt of a long chain fatty acid is called .............
उत्तर
The process of burning of a hydrocarbon in the presence of air to give CO2, H2O, heat and light is known as combustion.
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संबंधित प्रश्न
Would you be able to check if water is hard by using a detergent?
Which of the two is better for washing clothes when the water is hard: soap or detergent? Give reason for your answer.
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
Distinguish between esterification and saponification reactions of organic compounds.
How will you check with the help of soap powder whether water is hard?
Write an answer to the following question.
Name three chemicals responsible for the surface activity of various detergents.
Explain why synthetic detergents are superior to soap.
______ are substances which can undergo chemical changes to produce certain materials.
Why do soaps not work effectively in hard water?
What are soaps?
