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The number of unpaired electrons in a chromic ion Cr3+ (atomic number = 24) is:
(1) 6
(2) 4
(3) 3
(4) 1
Ans: 3
The amount of energy needed to convert one mole of solid substance to vapor state is known as Sublimation energy
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Askccomparison between caulometry and electrogravimetry question #Minimum 100 words accepted#
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difference between organic & inorganic colloides ?
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