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People use a variety of methods to wash ...

People use a variety of methods to wash clothes. Usually after adding the soap, they ‘beat’ 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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People use a variety of methods to wash clothes. Usually after adding the soap, they ‘beat’ 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?

Washing soap is used for cleaning the clothes , because

LAKHMIR SINGH & MANJIT KAUR-CARBON AND ITS COMPOUNDS-Exercise
  1. A mixture of oxygen and ethyne is burnt for welding. Can you tell why ...

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  2. How would you distinguish experimentally between an alcohol and a carb...

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  3. What are oxidising agents?

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  4. Would you be able to check if water is hard by using a detergent?

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  5. People use a variety of methods to wash clothes. Usually after adding ...

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  6. Ethane with the molecular formula C(2)H(6) has: (a) 6 covalent bonds...

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  7. Butanone is a four-carbon compound with the functional group

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  8. While cooking, if the bottom of the vessel is getting blackened on the...

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  9. Explain the nature of the covalent bond using the bond formation in CH...

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  10. Draw the electron dot structures for

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  11. What is a homologous series ? Explain with an example.

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  12. How can ethanol and ethanoic acid be differentiated on the basis of th...

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  13. Why does micelle formation take place when soap is added to water? Wil...

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  14. Why are carbon and its compounds used as fuels for most applications?

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  15. Explain the formation of scum when hard water is treated with soap.

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  16. What change will you observe if you test soap with litmus paper (red a...

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  17. What is hydrogenation? What is its industrial application?

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  18. Which of the following hydrocarbons undergo addition reactions: C(2)H...

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  19. Give a test that can be used to differentiate chemically between butte...

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  20. Explain the mechanism of the cleaning action of soaps.

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