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Chemistry Test ...

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  • Question 1
    1 / -0

    Exactly \(1 {~g}\) of urea dissolved in \(75 {~g}\) of water gives a solution that boils at \(100.114^{\circ} {C}\) at 760 torr. The molecular weight of urea is \(60.1\). The boiling point elevation constant for water is:

  • Question 2
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    In physisorption adsorbent does not show specificity for any particular gas because:

  • Question 3
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    The rate of a first order reaction is \(1.5 \times 10^{-2} M {~min}^{-1}\) at \(0.5 {M}\) concentration of the reactant. The half-life of the reaction is:

  • Question 4
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    An aqueous solution of hydrochloric acid:

  • Question 5
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    Which of the following is an unsaturated compound?

  • Question 6
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    Which of the following will have a net dipole moment?

  • Question 7
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    Which of the carbonates given below is unstable in air and is kept in the CO2atmosphere to avoid decomposition?

  • Question 8
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    The percentage of s- character of the hybrid orbitals in ethane, ethene and ethyne are respectively:

  • Question 9
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    Calgon is used for water treatment. Which of the following statement is not true about Calgon?

  • Question 10
    1 / -0

    \(\mathrm{C}_{2} \mathrm{H}_{6}\) compound has:

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