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Chemistry Test-...

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  • Question 1
    4 / -1

    What is the structural formula of Haloalkane?

  • Question 2
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    Which of the following is not a homologous series?

  • Question 3
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    Which of the following elements has the unique ability to form bonds with other atoms of the same element giving rise to large molecules?

  • Question 4
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    Which of the following salts are used in photography?

  • Question 5
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    Why is Glycerol added to soap?

  • Question 6
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    In the air, N2 and O2 occur naturally but they do not react to form oxides of nitrogen because:

  • Question 7
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    The molecule shown below is first treated with BH3 and then treated by basic hydrogen peroxide. The commercially important product so formed is:


  • Question 8
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    The oxidation of toluene to benzaldehyde by chromyl chloride is called:

  • Question 9
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    Which of the following colligative property is preferred for the determination of molar masses of solutes in solution?

  • Question 10
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    Which of the following substances is used in black and white photography?

  • Question 11
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    Which of the following Aldehydes is also known as formalin?

  • Question 12
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    Which of the following is the decreasing order of oxidizing power of halogens?

  • Question 13
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    Give the general electronic configuration valence shell of 'd' block elements.

  • Question 14
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    The electron energy in hydrogen atom is given by \({E}_{n}=-21 \cdot 7 \times 10^{-12} / {n}^{2}\) erg. Calculate the energy required to remove an electron completely from the \({n}=2\) orbit. What is the longest wave length (in \({cm}\) ) of light that can be used to cause this transition?

  • Question 15
    4 / -1

    Naphthalene balls disappear with time because of _______.

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