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(a) Explain the process of preparation o...

(a) Explain the process of preparation of soap in laboratory.
(b) why is common salt (sodium chloride) added during the preparation of soap?
(c ) Why is soap not suitable for washing clothes when the water is hard?

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LAKHMIR SINGH & MANJIT KAUR-CARBON AND ITS COMPOUNDS-Exercise
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  2. (a) What happens when ehanol is oxidised with alkaline potassium perma...

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  3. (a) Explain the process of preparation of soap in laboratory. (b) wh...

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  4. (a) What happens when methane (natural gas) burn in air ? Write the ch...

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  5. (a) Describe, giving equation , a chemical reaction which is character...

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  6. (a) Write names and formaulae of hydrocarbons containing a single and ...

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  7. (a) How does ethanoic acid react with sodium hydrogencarbonate? Give e...

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  8. (a) What is meant by a substitution reaction ? Give an example (with e...

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  9. (a) How is ethanoic acid obtained from ethanol? Write down the chemica...

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  10. (a) What happens whsen methane reats with chloringe? Give equation of ...

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  11. (a) What happens when ethanoic acid reacts with sodium hydroxide ? Wri...

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  12. (a) An organic compound X of molecular formula C(2)H(4)O(2) gives bris...

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  13. (a) What is menat by an addition rection? Give an example (with equati...

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  14. (a) When ethanoic acid reacts with sodium hydrogencarbonate then a sal...

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  15. (a) Esters are sweet smelling substances and are used in making perfu...

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  16. (a) Name the reaction which is usually sued in the conversion of veget...

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  17. (a) What is a soap ? Name one soap. (b) Describe the structure of a ...

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

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  19. When ethanol is heated with alkaline potassium permanganate solution i...

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  20. When ethanol is heated with concentrated sulphuric acid at 170^(@)C it...

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