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The minimum distance of an object from c...

The minimum distance of an object from concave mirror for which the mirror forms real image is……………(Let 'f' be the focal length of concave mirror)

A

f

B

2f

C

4f

D

zero

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BEYOND PUBLICATION-CARBON AND ITS COMPOUNDS-EXERCISE
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  3. The suffix used for naming an aldehyde is

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  4. Acetic acid when dissolved in water it dissociates into ions reversibl...

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  5. Which one of the following hydrocarbons can show isomerism?

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  6. Combustion of hydrocarbon is generally accompanied by the evolution of

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  7. 2ml of ethanoic acid was taken in each of the three test tubes A, B an...

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  8. If 2ml of acetic acid was added slowly in drops to 5ml of water then w...

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  9. A few drops of ethanoic acid were added to solid sodium carbonate. The...

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  10. When acetic acid reacts with ethyl alcohol, we add conc. H2SO4, it act...

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  11. Commercially available ethanol is known is

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  12. Which of the following are molecules of varying sizes and also called ...

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  13. CH3-CH2- CH2-COOH is the IUPAC structure of

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  14. The IUPAC secondary suffix to the functional group for aldehydes is

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  15. The process of producing soaps is called

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  16. Which of the following is used as catalyst in the hydrogenation of veg...

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  17. CH3-CH2- CH2-CH3 what is IUPAC name of the chain ?

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  18. Which of the following is the general formula of a soap ?

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  19. Which of the following is known as tri-hy-droxy alcohol ?

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  20. A spherical aggregate of soap molecules in water is called

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  21. How much % solution of acetic acid in water is called vinegar ?

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