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Chemistry Test ...

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  • Question 1
    1 / -0

    CsBr has B.C.C. structure with edge length \(4.3\) Å.The shortest inter ionic distance in between \(\mathrm{Cs^+}\)and \(\mathrm{Br^-}\)is:

  • Question 2
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    The value of \(n\) in the molecular formula \(\mathrm{Be}_{\mathrm{n}} \mathrm{Al}_{2} \mathrm{Si}_{6} \mathrm{O}_{18}\) is:

  • Question 3
    1 / -0

    Amine is not formed in the reaction:

    I. Hydrolysis of RCN

    II. Reduction of \(R C H=N O H\)

    III. Hydrolysis of RNC

    IV. Hydrolysis of \(R C O N H_{2}\)

    The correct answer is:

  • Question 4
    1 / -0

    Chromatography is based on:

  • Question 5
    1 / -0

    Boiling point of water at \(750 \mathrm{~mm} \mathrm{Hg}\) is \(99.63^{\circ} \mathrm{C}\). How much sucrose is to be added to \(500 \mathrm{~g}\) of water such that it boils at \(100^{\circ} \mathrm{C} .\) Molal elevation constant for water is \(0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\).

  • Question 6
    1 / -0

    The oxidation state of sulphur in \(N a_{2} S_{4} O_{6}\) is:

  • Question 7
    1 / -0

    The value of n in the molecular formula BenAl2Si6O18 is:

  • Question 8
    1 / -0

    The materials used for making non-stick utensils of kitchens is:

  • Question 9
    1 / -0

    Which of the following antibiotic contains a nitro group attached to the aromatic nucleus in its structure?

  • Question 10
    1 / -0

    The atom bomb is based on the principle of:

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