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Blackened oilpainting can be restored in...

Blackened oilpainting can be restored into original form by the action of

A

Chlorine

B

`BaO_(2)`

C

`H_(2)O_(2)`

D

`MnO_(2)`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2009-Multiple Choice Questions (Chemistry)
  1. The reactin that takes place when Cl(2) gas is passed through conc. Na...

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  2. 'Electron'' is an alloy of

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  3. Blackened oilpainting can be restored into original form by the action...

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  4. Of the following acids the one which has the capability to form comple...

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  5. Atoms in a P(4) molecule of white phosphorus are arranged regularly in...

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  6. Which of the following statements is not correct?

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  7. In aluminium extraction by the Bayer process, alumina is extracted fro...

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  8. The addition of HBr to 2-pentene gives

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  9. Elthelene can be separated from acetylene by passing the mixture throu...

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  10. Reaction of R OH with R'MgX produces

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  11. In the compound HC -= C- overset(overset(CH(3))(|))(C )=CH(2) the hybr...

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  12. The two structures written below represent

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  13. Which of the following carbocations will be most stable?

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  14. Which statement is incorrect?

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  15. In which of the following reactions new carbon-carbon bond is not form...

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  16. A compound is formed by substitution of two chlorine for two hydrogens...

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  17. Which one of the following is called a carbylamine/

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  18. For making distinction between 2-pentanone and 3-pentanone the reagent...

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  19. Which one of the following formulae does not represent an organic comp...

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  20. The catalyst used for olefin polymerization is

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