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What is X ?...


What is X ?

A

a.

B

b.

C

c.

D

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The correct Answer is:
B
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NCERT FINGERTIPS ENGLISH-PRACTICE PAPER -1-Practice Paper 1
  1. Which is correct about saccharin ?

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  2. In which mode of expression the concentration of solution remains inde...

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  3. What is X ?

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  4. The order of reactivities of the following alkyl halides for a S(N^(2)...

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  5. Gabriel phthalimide reaction is used for the preparation of amines

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  6. CH(3)CHO+HCHOoverset("dil. NaOH")underset("Heat")rarrAoverset("HCN)und...

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  7. Drugs which bind strongly to the active site of an enzyme and do no...

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  8. Tincture of iodine is

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  9. Which of the following cannot show linkage isomerism?

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  10. The oxidation of central atom in the complex [ Co(NH(3))(4) CINO(2)] ...

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  11. Which of the following are intermediates in the reaction of excess of ...

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  12. Acetic acid is obtained when

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  13. In alpha -helix , structure, polypepetide chains are folded in a

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  14. The electrode potential is the tendency of metal

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  15. Transition elements exhibit higher enthalpiese of atomization because

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  16. Which of the following is a monomer of natural rubber ?

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  17. The compound which reacts fastest with Lucas reagent at room temperatu...

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  18. Bakelite is obtained from phenol by reaction with

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  19. Which one of the following on oxidation gives a ketone ?

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  20. An ether is more volatile than alcohol having the same molecular formu...

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