MEDIUM
NEET
IMPORTANT
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If all the oxygen atoms present in moles moles and moles are collected for the formation of gas molecules. Calculate the volume of gas formed at pressure and temperature.
(a)
(b)
(c)
(d)

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Important Questions on Some Basic Concepts of Chemistry
EASY
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IMPORTANT
The numerical value of (where, is the number of molecules in a given sample of gas and is the number of moles of the gas) is

HARD
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IMPORTANT
One gram equimolecular mixture of and is reacted with , the millilitres of required to react completely with the above mixture is

MEDIUM
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IMPORTANT
millimoles of dichloroacetic acid can neutralize how many moles of ammonia to form ammonium dichloroacetate?

HARD
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IMPORTANT
oxidizes ions to nitrogen and itself gets reduced to . The number of moles of required by of is

EASY
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IMPORTANT
of a substance when burnt in oxygen yields of oxide. The substance is -

MEDIUM
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IMPORTANT
Two solutions of a substance (non-electrolyte) are mixed in the following manner: of first solution of second solution. What is the molarity of the final mixture?
