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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2011-CHEMISTRY
- Which one of the following is s- butyl phenylvinyl methane ?
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- Hybridization of C2 and C3 " of " H3C - CH =C =CH -CH3 are
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- The energy of an electron in first Bohr orbit of H-atom is -13.6 eV. T...
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- The amount of heat released when 20 ml 0.5 M NaOH is mixed with 100 m...
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- Which one of the following has the lowest ionization energy?
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- The ozone layer forms naturally by
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- 2 gm of metal carbonate is neutralized by 100 ml of 0.1 (N) HCl . The...
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- Which one of the following is not true at room temperatue and pressure
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- An electric current is passed through an aquous solution of a mixture ...
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- The representation of the ground state electronic configuration of He...
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- The electronic transitions from n=2 to n =1 will produce shortest wav...
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- In the following electron dot structure , calculate the formal charge ...
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- If the molecular wt.of Na2S2O3 and I2 " are" M1 and M2 respectively...
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- A radioactive atom (Y)^(X) M emits two alpha particles and one be...
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- An element belongs to Group 15 and third period of the periodic tab...
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- Which one of the following is paramagnetic?
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- Platinum, Palladium and Iridium are called noble metals because.
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- Which one is not a constituent of nucleic acid?
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- The sp^(3) d^(2) hybridization of central atom of a molecule woul...
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