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Chemistry Test ...

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  • Question 1
    4 / -1

    Which of the following expressions is correct between the van der Waals constant b and the radius r of spherical molecules?

  • Question 2
    4 / -1

    Which of the following polymers can be used for lubrication and as an insulator

  • Question 3
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  • Question 4
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    When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide solution, the ratio of volumes of hydrogen gas evolved is:

  • Question 5
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    The heat of reactions for the above reactions are Q,−11 and −9 respectively. What is Q?

  • Question 6
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    In an ionic compound moles ratio of cation to anion is 1:2. If atomic masses of metal and non-metal respectively are 138 and 19, then correct statement is:

  • Question 7
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    Arrange the following carboxylic acids in increasing order of reactivity towards thermal decarboxylation reaction:

  • Question 8
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    Amongst the following, the most basic oxides are:

  • Question 9
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    H2 S contains 94.11% sulphur; SO2 contains 50% oxygen and H2O contains 11.11% hydrogen. Find the ratio of all given elements. After your calculations which law has been verified?

  • Question 10
    4 / -1

    An oxygen containing organic compound upon oxidation forms a carboxylic acid as the only organic product with its molecular mass higher by 14 units. The organic compound is:

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