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People use variety of methods to wash cl...

People use 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 agitation is necessary to get clean clothes clothes?

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MBD-CARBON AND ITS COMPOUNDS-EXAMPLE
  1. What are oxidising agents?

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

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  3. People use variety of methods to wash clothes usually after adding the...

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  4. Ethane, with the molecular formula C2 H6 has:

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

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  6. While cooking, if the bottom of the vesel is getting blackened on the ...

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

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  8. Draw the electron dot structures for: ethanoic acid.

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  9. Draw the electron dot structures for:H2S

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  10. Draw the electron dot structures for: propanone

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  11. Draw the electron dot structures for: F2

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  12. What is an homologous series: explain with an example.

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

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  14. Why does micelle formation take place when soap is added to water? wil...

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  15. Why are carbon and its compounds used as fuels for most application?

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

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  17. What change will you observe if you test soap with litmus paper?

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  18. What is hydrogenation? what is its industrial application?

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  19. Which of the following hydrocarbons undergo addition reaction : C2H6,C...

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  20. Give a test that can be used to differentiate between butter and cooki...

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