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Chemistry Test 155
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Chemistry Test 155
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  • Question 1/10
    4 / -1

  • Question 2/10
    4 / -1

    Solutions

     

  • Question 3/10
    4 / -1

    A radioactive element gets spilled over the floor of a room. Its half-life period is 30 days. If the initial velocity is ten times the permissible value, after how many days will it be safe to enter the room?

    Solutions

     

  • Question 4/10
    4 / -1

    Which of the following curves is in accordance with Freundlich adsorption isotherm?

  • Question 5/10
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  • Question 6/10
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    Which of the following is a saline oxide?

    Solutions

    Oxides which are more ionic in nature (salt - like) are known as saline oxides e.g. oxides of alkali metals

     

  • Question 7/10
    4 / -1

    For which of the following species d-d transition does not account for its colour?

    Solutions

    O.N. of Cr in all the species is + 6. Configuration of Cr (VI) is (Ar)  electron transition.

     

  • Question 8/10
    4 / -1

    Solutions

    Tetraethyl lead  is not p bonded complex. It is bonded organometallic compound

     

  • Question 9/10
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    Solutions

     

  • Question 10/10
    4 / -1

    Rectified spirit is a mixture of

    Solutions

    95.87% ethyl alcohol + 4.13% water

     

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