BITSAT 2005 Solved Question Paper

Section: Chemistry

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Question : 116 of 150

Marks: +1, -0

Dinitrogen pentoxide (N2O5), a colourless solid, is prepared by :

heating NH4NO2 with an excess of oxygen
dehydrating HNO3 with CaO
dehydrating HNO3 with P4O10
heating a mixture of HNO2 and Ca(NO3)2

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