Chapter 4 Carbon and its Compounds
NCERT Class 10th
Science SOLUTIONS

Explain the mechanism of the cleaning action of soaps.
Soap has two parts โ one part mixes with water and the other mixes with oil or dirt.
When soap is added to water, it breaks the dirt into small parts and forms bubbles called micelles.
These micelles trap the dirt, which is then washed away with water, cleaning the surface.
Carbon and its CompoundsMore Questions on Carbon and its Compounds
What are the two properties of carbon which lead to the huge number of carbon compounds we see around us?
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A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used?
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How would you distinguish experimentally between an alcohol and a carboxylic acid?
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People use a variety of methods to wash clothes. Usually after adding the soap, they โbeatโ the clothes on a stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes?
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Give a test that can be used to differentiate between saturated and unsaturated hydrocarbons
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Which of the following hydrocarbons undergo addition reactions: CโHโ, CโHโ, CโHโ, CโHโ, and CHโ?
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What change will you observe if you test soap with litmus paper (red and blue)?
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Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?
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How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?
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Explain the nature of the covalent bond using the bond formation in CHโCl.
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While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
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