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Mole Concept an...

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  • Question 1
    1 / -0

    Which of the following statements is not true according to Gay Lussac`s law of combining volumes?

  • Question 2
    1 / -0

    Which of the following has the highest number of moles of oxygen atoms in its one mole?

  • Question 3
    1 / -0

    Under the same conditions of temperature and pressure, 2 litres of SO2, 3 litres of chlorine, 6 litres of hydrogen, 5 litres of nitrogen and 4 litres of CO2 are collected.
    Which of the following is the correct arrangement of these gases in increasing order of the number of molecules of the collected gases?

  • Question 4
    1 / -0

    How many calcium ions are present in 7.4 g of Ca(OH)2?

  • Question 5
    1 / -0

    How many molecules are present in 4 g of methane

  • Question 6
    1 / -0

    What should be the mass of Na, so that it contains the same number of atoms as present in 4 g of calcium?

  • Question 7
    1 / -0

    Why are atomic mass of some elements not whole numbers?

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