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  • Question 1
    1 / -0

    Which of the following is the chemical symbol for nitrogen gas?

  • Question 2
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    The amount of substance is measured in

  • Question 3
    1 / -0

    Latin name for iron is

  • Question 4
    1 / -0

    Which of the following pairs of gases contains the same number of molecules?

  • Question 5
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    Which of the following represents a correct chemical formula?

  • Question 6
    1 / -0

    Which of the following is correct symbol of sodium ion

  • Question 7
    1 / -0

    3.42 g sucrose are dissolved in 18 g of water in a beaker. The number of oxygen atoms in the solution are

  • Question 8
    1 / -0

    Which of the following is/are diatomic molecules?

    (i) Oxygen

    (ii) Hydrogen

    (iii) Nitrogen

    (iv) Chlorine

    Select the correct alternative:

  • Question 9
    1 / -0

    Which of the following symbols is incorrect?

    (i) Helium (He)

    (ii) Aluminium (AL)

    (iii) Carbon (c)

    (iv) Cobalt (CO)

    Select the correct alternative:

  • Question 10
    1 / -0

    The correct formula of Magnesium Chloride is

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