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Chemistry Test-...

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  • Question 1
    4 / -1

    With an increase in temperature, the value of equilibrium constant:

  • Question 2
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    Which zeolite is used by the petrochemical industry to catalyze the cracking of hydrocarbons?

  • Question 3
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    Amongst the following which one will have maximum 'lone pair - lone pair' electron repulsions?

  • Question 4
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    A radioactive sample \(S_{1}\) having an activity of \(5 \mu Ci\) has twice the number of nuclei as another sample \(S_{2}\) which has an activity of \(10 \mu Ci\). What the half lives of \(S _{1}\) and \(S _{2}\) be?

  • Question 5
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    Which of the following is not a habit-forming analgesic?

  • Question 6
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    When silica gel and anhydrous calcium chloride are placed in an atmosphere of high humidity, then which of them will have more moisture in the bulk?

  • Question 7
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    Which of the following attractive forces exists between different layers of graphite?

  • Question 8
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    Consider the following statements.

    I. \(N C l_{5}\) does not exist while \(P C l_{5}\) does.

    II. Both \(O_{2}^{+}\) and \(N O\) are paramagnetic.

    III. The three C−O bonds are not equal in carbonate ions.

    IV. Lead prefers to form the tetravalent compound. Which of the above statements are incorrect?

  • Question 9
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    The \(E _{\text {cell }}^{\circ}\) for \(Cu \mid Cu ^{2+}\) in volt is:

  • Question 10
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    Assuming that about \(200 MeV\) of energy is released per fission of \({ }_{92} U ^{235}\) nuclei, the mass of \(U^{235}\) consumed per day in a fission reactor of power \(1\) megawatt will be approximately:

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