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Chemistry Test ...

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  • Question 1
    4 / -1

    A gaseous compound of nitrogen and hydrogen contains 12.5% (by mass) of hydrogen. The density of the compound relative to hydrogen is 16. The molecular formula of the compound is:

  • Question 2
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    The de Broglie wavelength of a car of mass 1000 kg and velocity 36 km/hr is :

  • Question 3
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    Among Al₂O₃, SiO₂, P₂O₃ and SO₂ the correct order of acid strength is

  • Question 4
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    Which one of the following pairs of species have the same bond order?

  • Question 5
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    By how many folds the temperature of a gas would increase when the root mean square velocity of the gas molecules in a container of fixed volume is increased from

  • Question 6
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    Bond enthalpies of H₂, X₂ and HX are in the ratio 2 : 1 : 2. If enthalpy of formation of the bond enthalpy of X₂ is

  • Question 7
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    Which equilibrium can be described as an acid-base reaction using the Lewis acid-base definition but not using the Bronsted-Lowry definition?

  • Question 8
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    Which of the following reactions depict the oxidising behaviour of H₂SO₄

  • Question 9
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    Very pure hydrogen (99.9) can be made by which of the following processes?

  • Question 10
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    Which of the following are found in biological fluids

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