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Some Basic Conc...

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  • Question 1
    1 / -0

    A compound prepared by any method contains the same elements in the fixed ratio by mass. The given statement is known as:

  • Question 2
    1 / -0

    For the reaction 2NaN3(s) → 2Na(s) + 3N2 (g), how many moles of sodium azide (NaN3) must react in order to produce 8.75 moles of nitrogen gas?

  • Question 3
    1 / -0

    Atomic mass of bromine is 80 g. The mass of four moles of molecular bromine (Br2) is:

  • Question 4
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    100mL of gaseous hydrogen combines with 50mL of gaseous oxygen to give 100mL of water vapours. This can be explained on the basis of:

  • Question 5
    1 / -0

    Which law is also known as Law of constant composition?

  • Question 6
    1 / -0

    The multiple 10-6 has the prefix:

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