IIT-JEE Exam

Extra pure N2 can be obtained by heating
(A) NH3 with CuO (B) NH4NO3
(C) (NH4)2Cr2O7 (D) Ba(N3)2

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IIT-JEE Other Question

If z is any complex number satisfying |z – 3 – 2i| £ 2, then the minimum value of |2z – 6 + 5i| is Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The
molarity of the solution is
(A) 1.78 M (B) 2.00 M
(C) 2.05 M (D) 2.22 M