Pure N2 gas is obtained from (a) NH3 + NaNO2 (b) NH4Cl + NaNO2 (c) N2O + Cu (d) (NH4)2Cr2O7 Pure N2 gas is obtained from (a) NH3 + NaNO2 (b) NH4Cl + NaNO2 (c) N2O + Cu (d) (NH4)2Cr2O7 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
