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Some Basic Conc...

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  • Question 1
    4 / -1

    For a reaction A + 2B → C, the amount of C formed by starting the reaction with 5 moles of A and 8 moles of B is

  • Question 2
    4 / -1

    An organic compound made of C, H, and N contains 20% nitrogen. Its molecular weight is

  • Question 3
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    Calculate the number of moles in 1m3 gas at STP.

  • Question 4
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    Which of the following is not a homogeneous mixture ?

  • Question 5
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    Which of the following has the largest number of atoms ?

  • Question 6
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    Specific volume of cylindrical virus particle is 6.02 × 10–2 cc/gm. whose radius and length 7 Å & 10 Å respectively. If NA = 6.02 × 1023, find molecular weight of virus

  • Question 7
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    Four one–litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same room temperature and pressure. The ratio of total number of atoms of these gases present in the different flasks would be

  • Question 8
    4 / -1

    If 0.5 mol of BaCl2 is mixed with 0.2 mol of Na3PO4, the maximum number of moles of Ba3 (PO4)2 that can be formed is

  • Question 9
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    Which one of the following properties of an element is not variable?

  • Question 10
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    If 1021 molecules are removed from 200 mg of CO2, then the number of moles of CO2 left are

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