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Some Basic Conc...

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  • Question 1
    1 / -0

    The mass number of sulfur atom is:


    (Given: Atomic number = 16 and number of neutrons = 16)

  • Question 2
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    Which is the lightest element in the universe?

  • Question 3
    1 / -0

    The law of conservation of mass was given by :

  • Question 4
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    Mass of atom expressed in atomic mass unit is :

  • Question 5
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    What is the atomic mass (u) of calcium?

  • Question 6
    1 / -0

    A device for measuring temperatures at a distance is:

  • Question 7
    1 / -0

    One a.m.u is defined as mass of  :

  • Question 8
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    India's uranium supply comes mainly from the Jaduguda mines in:

  • Question 9
    1 / -0

    Which of the following expression of concentration of a solution is independent of temperature?

  • Question 10
    1 / -0

    Who laid the foundation of chemical sciences by experimentally establishing laws of chemical combination along with other scientists?

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