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Atoms and Molec...

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  • Question 1
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    What is the representation of atom of hydrogen and a molecule of hydrogen?

  • Question 2
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    The chemical formula of a particular compound represents:

  • Question 3
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    Law of constant composition is also called as the law of :

  • Question 4
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    Which is the smallest possible unit of a chemical compound?

  • Question 5
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    A 'mole' of a substance is the same as ________.

  • Question 6
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    The amount of a chemical substance is reported as _______.

  • Question 7
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    Which is the lightest element in the universe?

  • Question 8
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    The law of conservation of mass was given by :

  • Question 9
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    Which of the following represents Plumbous ion?

  • Question 10
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    Avogadro's number represents the number of atoms in:

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