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Chemistry Test ...

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  • Question 1
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    An atom with \(3\) protons and \(4\) neutrons will have a valency of:

  • Question 2
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    \(0.1\) mole of \({N}_{2} {O}_{4}({~g})\) was sealed in a tube under one atmospheric conditions at \(25^{\circ} {C}\). Calculate the number of moles of \({NO}_{2}({~g})\) present, if the equilibrium \({N}_{2} {O}_{4} \rightleftharpoons 2 {NO}_{2}({~g})\) \(\left(K_{p}=0.14\right)\) is reached after some time.

  • Question 3
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    The ratio of mass of hydrogen and magnesium deposited by the same amount of electricity from \(\mathrm{H}_{2} \mathrm{SO}_{4}\) and \(\mathrm{MgSO}_{4}\) is:

  • Question 4
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    Friedel craft acylation is not observed in:

  • Question 5
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    Order of esterification strength of alcohols is?

  • Question 6
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    Which is not consistent with double helical structure of DNA?

  • Question 7
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    Graphite is one of the allotropes of carbon. Unlike diamond, it is an electrical conductor and a good lubricant. Graphite is a good conductor of electricity due to the presence of __________.

  • Question 8
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    Which does not involve a carbocation?

  • Question 9
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    The eighth group of Mendeleev's periodic table is divided into how many subgroups?

  • Question 10
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    Match the list-I with List-II
       List-I (Electrode)    List-II (Type)
    1.  Calomel P.  Reference
    2.  Glass Q.  Redox
    3.  Hydrogen R. Membrane
    4.  Quinhydrone S.  Gas

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