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1. Extra pure N2 can be obtained by heating
A NH3 with CuO
B NH4NO3
C (NH4)2Cr2O7
D Ba(N3)2
2. Geometrical shapes of the complexes formed by the reaction of Ni2+ with Cl- , CN- and H2O, respectively, are,
A octahedral, tetrahedral and square planar
B tetrahedral, square planar and octahedral
C square planar, tetrahedral and octahedral
D octahedral, square planar and octahedral
3.

Bombardment of aluminum by a-particle leads to its artificial disintegration in two ways,
(i) and (ii) as shown. Products X, Y and Z respectively are,
JEE_IIT_2011_question_paper_with_answer_on_testveda_test_veda_q1

A proton, neutron, positron
B neutron, positron, proton
C proton, positron, neutron
D positron, proton, neutron
4. 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
5.

AgNO3 (aq.) was added to an aqueous KC1 solution gradually and the conductivity of the solution was measured. The plot of conductance (A) versus the volume of AgNO3 is
JEE_IIT_2011_question_paper_with_answer_on_testveda_test_veda_q5

A P
B Q
C R
D S

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